Xiaomi Mi Smart Band 4 waa qalab caafimaad iyo fayow oo la awoodi karo kaas oo aan faaruqin jeebadahaaga oo aan kuu ogolaanaynin qeexida qalabka. Muujinaya midabka RGB AMOLED screen, batari aragti ahaan socon kara ilaa labaatan maalmood, iska caabinta biyaha, iyo dareenka raadraaca garaaca wadnaha saxda ah, dhamaantood qiimo jaban, waxaad arki kartaa sababta dad badani ay uga fiirsanayaan inay iibsadaan. Haddii aad adiguna tahay, akhri faallooyinkan oo ogow inay mudan tahay iibsashada iyo sababta:

Xiaomi Mi Smart Band 4 : yaa u fiican?

Xiaomi Mi Smart Band 4 waa doorasho aad u fiican dadka doonaya:

• Si loola socdo loona hagaajiyo taam ahaanshahooda
• Xarig jimicsi oo si sax ah ula socon karta garaaca wadnaha
• Si ay u isticmaalaan xargaha jir dhiska marka ay dabaalanayaan
• Koox fayow oo wanaagsan oo qiimo yar leh

Faa'iidada iyo khasaaraha

Waxaa jira dhowr waxyaalood oo aad jeceshahay oo ku saabsan Xiaomi Mi Smart Band 4 :

• Waxay ururinaysaa xog badan oo faa'iido leh oo adiga kugu saabsan, inta lagu jiro hawlaha caadiga ah iyo sidoo kale inta lagu jiro jimicsiga
• Dabagalka garaaca wadnaha ee waxtarka leh
• Waa mid biyaha u adkaysta
• Muujinta midabka AMOLED waa dhalaalaya, xalintiisuna si macquul ah ayuu u sarreeyaa
• Batarigeeda ayaa ku filan inuu sii socdo ugu yaraan hal usbuuc
• Suunka curcurku waa mid raaxo leh
• Waxay ku tusi kartaa ogaysiisyada marka aad helayso wicitaanada telefoonka, iyo sidoo kale ogeysiisyada ay soo diraan apps-ka casriga ah
• Habka aaladda Find^{(Find device)} waa mid faa'iido leh
• Waa mid la awoodi karo

Waxaan sidoo kale leenahay dhowr daciifnimo oo aan xusno:

• Way ku guul daraysatay inay si sax ah ula socoto qaabka hurdadaada
• App-ka mobaylka waa la horumarin karaa
• Ma jirto qaab lagu arko xogtaada browserka adoo isticmaalaya akoonkaaga Xiaomi Mi
• Haddii aad bedesho taleefankaaga casriga ah, waxaad halis u tahay inaad lumiso dhammaan xogtaada, xitaa haddii aad isku xirto akoon isku mid ah

Xukun

Xiaomi Mi Smart Band 4 waa koox fayow oo heer sare ah oo loogu talagalay isticmaaleyaasha leh miisaaniyad hoose. Sifooyinkeeda ugu muhiimsan, ka sokow qiimaha, waa shaashadda taabashada ee dhalaalaya oo jawaab celin leh, iska caabbinta biyaha, iyo raadraaca garaaca wadnaha saxda ah. Waxaan aaminsanahay in kooxdan jirdhiska ay tahay doorasho weyn oo loogu talagalay dadka doonaya inay iibsadaan qalabkooda ugu horreeya ee noocan oo kale ah, iyo sidoo kale kuwa doonaya inay ku qaataan lacag yar oo keliya. Si kastaba ha noqotee, haddii aad si dhab ah uga go'an tahay jimicsiga iyo guud ahaan isboortiga, waxaa laga yaabaa inaad rabto inaad eegto beddelaadyo qaali ah.

Soo dejinta Xiaomi Mi Smart Band 4

Xiaomi Mi Smart Band 4 waxay ku timaadaa sanduuq dheer oo leydi ah oo u muuqda mid qurux badan. Dhanka hore, waxaad ku arki kartaa sawirka kooxda jimicsiga, calaamad yar oo Mi ah, iyo lambarka weyn ee 4 oo kuu sheegaya nooca kooxda.

Haddii aad rabto faahfaahin dheeraad ah oo ku saabsan kooxdaada cusub ee jimicsiga, waxaad ka heli kartaa iyaga oo ku daabacan dhabarka iyo dhinacyada sanduuqa. Gudaha^(Inside) , waxaad arki doontaa waxa aad bixisay: Xiaomi Mi Smart Band 4 , dameer USB ah oo iska leh, hagaha adeegsadaha, iyo dammaanadda.

Khibradda unboxing ee Xiaomi Mi Smart Band 4 waa mid toos ah. Xirmada waxaa ku jira wax walba oo aad u baahan tahay si aad dhaqso u bilowdo.^{(The unboxing experience for the Xiaomi Mi Smart Band 4 is straightforward. The package contains everything you need to get started quickly.)}

Naqshadeynta iyo qeexida qalabka

Xiaomi Mi Smart Band 4 waxay u egtahay sida koox kasta oo kale ee jimicsiga miisaaniyada, ugu yaraan marka la damiyo. Qalabka laftiisa, iyada oo aan lahayn curcurka, waa mid cad oo fudud, oo leh qaab leydi ah. Taas macnaheedu waa inay fududahay inaad ku dhejiso ilaalinta shaashadda, haddii aad ku jirto shay noocaas ah, in kasta oo shaashadda ay hore u ilaalinaysay muraayadda 2.5D^{(2.5D tempered glass)} . Dhanka kale, shaashad qaloocan ayaa laga yaabaa inay u ekayd mid ka sii fiican oo qurux badan.

Akhbaarta wanaagsan ayaa ah in shaashadu ay aad u fiican tahay marka loo eego kuwii hore ee Xiaomi Mi bands. Mi Band 4 wuxuu leeyahay shaashad 0.95-inch AMOLED ah^{(AMOLED display)} oo leh xallin 120 x 240 pixels iyo 24-bit RGB qoto dheer^{(24-bit RGB color depth)} . Sidoo kale waa dhalaalaya, oo awood u leh inay gaadho ilaa 400 nits oo dhalaalka ugu badan.

Dhanka dambe ee aaladda, waxaad ka heli kartaa dareemaha la socodka garaaca wadnaha iyo xiriirada dallacaadda. Intaa waxaa dheer, Xiaomi Mi Smart Band 4 sidoo kale waxay leedahay 3-axis accelerometer iyo gyroscope sensor, iyo dareeme u dhow.

Ma jiraan badhamada jirka ee band: shaashadu waa mid xasaasi ah oo taabasho ka sokow, waxaad sidoo kale isticmaali kartaa badhanka awoodda leh ee laga helay shaashadda hoose. Badhankan waxa loo isticmaalaa in lagu toosiyo kooxda iyo dib u noqoshada marka la dhex marayo menus-yada.

Suunka curcurku wuxuu ka samaysan yahay heerkulbeegga polyurethane^{(thermoplastic polyurethane)} , kaas oo bixiya qadar yar oo dabacsanaan ah, laakiin sidoo kale iska caabinta xoqitaanka. Xariggu waa ballac 18 mm, dhererkiisuna waa la hagaajin karaa, oo u dhexeeya 155 ilaa 216 mm ugu badnaan. Taas macnaheedu waa inay ku habboon tahay qof kasta, rag iyo dumarba, iyada oo aan loo eegin inta ay le'eg tahay curcuradaadu inta ay le'eg tahay ama yar tahay. Waxa kale oo xusid mudan in guushu ay miisaankeedu yahay 22.1 garaam oo keliya.

Hal shay oo ay dad badani ka rabaan kooxda jimicsiga ayaa ah awoodda ay ku shaqeeyaan inta lagu jiro dhaqdhaqaaqyada isboortiga biyaha. Nasiib wanaag, Xiaomi Mi Smart Band 4 waa mid aan biyuhu lahayn wuxuuna u adkeysan karaa ilaa 5 ATM . Taas macneheedu waxa weeye in aad gacantaada ku haysan karto tusaale ahaan marka aad dabaalanayso, taasina faa'iido wayn ayay inooga tahay.

Marka laga hadlayo isku xirka kooxda, waa inaad ogaataa inay isticmaasho nooca Bluetooth 5.0 oo ay taageero u leedahay BLE . BLE waxay ka timaadaa Tamarta Yar ee Bluetooth^{(Bluetooth Low Energy)} waxayna qeexaysaa awooda aaladu u leedahay in ay isticmaasho xaddi yar oo tamar ah si ay isku xidhka Bluetoothku^(Bluetooth) u shido. Isagoo ka hadlaya taas, Xiaomi waxay xayaysiisay kooxdan fayow inay awood u leedahay inay sii jirto ilaa 20 maalmood oo ay si buuxda u dallaci karto wax ka yar 2 saacadood. Madax-bannaanideeda waxaa bixiya baytari yar oo 135 mAh Lithium-Ion Polymer ah. Sida aad ku arki karto qaybta soo socota ee dib u eegistayada, tani waa suurtogal haddii aanad isticmaalin dhammaan sifooyinka kooxda, inkasta oo madax-bannaanideedu ay tahay mid cajiib ah xitaa haddii aad sameyso.

Xiaomi Mi Smart Band 4 wuxuu leeyahay 512 KB RAM ah^(RAM) iyo 16 MB oo ROM ah . ROM - ku ( Read-Only Memory ) waa in ka badan oo ku filan in lagu kaydiyo firmware band , settings, iyo logs, iyo sidoo kale qaar ka mid ah habaynta, sida haragga bandhigay.

Marka la eego nidaamyada hawlgalka ee la taageeray, Xiaomi Mi Smart Band 4 waxay si rasmi ah ula shaqeysaa taleefan kasta oo ku shaqeeya Android 4.4 ama wixii ka sareeya, iyo sidoo kale iPhone kasta oo ku shaqeeya iOS 9.0 ama ka sareeya.

Haddii aad rabto inaad akhrido dhammaan sifooyinka rasmiga ah ee alaabtan, aad boggan: Xiaomi Mi Smart Band 4 Specs .

Xiaomi Mi Smart Band 4 waxa ay leedahay tilmaamo cajiib ah, iyada oo la tixgelinayo in ay tahay koox fayow oo saaxiibtinimo leh. Waxay leedahay la socodka garaaca wadnaha, shaashad weyn, madax-bannaani heer sare ah, iyo qiimo macquul ah.^{(The Xiaomi Mi Smart Band 4 features some impressive specifications, considering that it's a budget-friendly fitness band. It has heart rate monitoring, a great screen, excellent autonomy, and a reasonable price.)}

Isticmaalka Xiaomi Mi Smart Band 4

Xiaomi Mi Smart Band 4 ayaa horay loogu rakibay suunka curcurka, iyada oo la adeegsanayo geesaha ku wareegsan aaladda ku habboon marka aad ku cadaadiso xadhigga curcurka. Nasiib darro, waxa igu adkaatay in aan ka saaro cududda gacanta oo aan dib ugu celiyo. Dhowrkii jeer ee ugu horreeyay ee aan isku dayay, waxa aan dareemay in aan jebinayo. Dhanka kale, ka dib markii aan xidho Xiaomi Mi Smart Band 4 in muddo ah, waa in aan sheego in suunka curcurku uu yahay mid raaxo leh, sababtoo ah dabacsanaantiisa iyo sidoo kale sababtoo ah alaabta ay ka samaysan tahay ma dhididka gacantaada. Taasi waa arrin muhim ii ah, sababtoo ah waxaan xasaasiyad ka qabaa waxyaabo yar, waxaanan u nugulnahay falcelinta maqaarka oo aan fiicnayn.

Waxyaabo kale oo aad ii cajab galiyay ayaa ah nolosha batteriga kooxda. In kasta oo aan awooday inta badan astaamaheeda, oo ay ku jiraan hurdada iyo la socodka joogtada ah ee garaaca wadnaha, Xiaomi Mi Smart Band 4 waxa ay ku guulaysatay in ay sii wado ilaa 10 maalmood ka hor inta aanan dallacin. Taasi waa awood aad u wanaagsan marka la eego sida uu u yar yahay baytariga guutadu.

Marka la eego astaamaha jirdhiska, Xiaomi Mi Smart Band 4 waa deeqsinimo badan. Ma aha oo kaliya inay tirin karto tillaabooyinka qofka xidha, masaafooyinka la safray, iyo qiyaasta kalooriyooyinka gubtay, laakiin sidoo kale waxay la socotaa lix nooc oo jimicsi oo kala duwan. Haddii aad xiiso u qabto iyaga, ogow in kooxdu ay leedahay habab jimicsi oo gaar ah oo loogu talagalay treadmill, jimicsiga, orodka dibadda, baaskiil wadida, socodka, iyo dabaasha. Nasiib darro, marka laga reebo socodka iyo baaskiil wadida, ma ihi nin taam ah, baaskiil wadidana su'aal kama saarna inta lagu jiro waqtigan, maadaama jawiga cimiladu ay aad ugu xumaatay aaggayga. Si kastaba ha noqotee, illaa iyo inta aan ogaaday, Xiaomi Mi Smart Band 4waxay maamushaa in si sax ah u tiriyo tillaabooyinka. Waxay mararka qaarkood ku darsataa qaar ka mid ah tillaabooyinka khayaaliga ah oo aadan samayn, laakiin tiradoodu waa yar tahay oo si macno leh uma saameynayso tirakoobka. Ma aha wax ka badan toban iyo labaatan tallaabo oo lagu daray kun.

Mid ka mid ah shay aan si gaar ah uga helay Xiaomi Mi Smart Band 4 wuxuu ahaa habka xakamaynta warbaahinta. La yaaban waxa ay taasi ku saabsan tahay? Kooxda ayaa ku siinaysa kontaroolada muusiga aad ku ciyaarto taleefankaaga casriga ah, waxayna taageertaa ma aha oo kaliya barnaamijyada muusiga sida Spotify laakiin sidoo kale YouTube . Iyada oo dhawr tabo oo kaliya lagu qabto kooxda, waxaad samayn kartaa waxyaabo ay ka mid yihiin hagaajinta codka ama u boodboodka heesta xigta. Waxaan aaminsanahay inay taasi tahay sifa faa'iido leh markaad dibadda ku jirto oo ku saabsan orodka ama baaskiilkaaga.

Intaa waxaa dheer, Xiaomi Mi Smart Band 4 waxay leedahay shaashad cajiib ah, taas oo dhalaalaya oo sahlan in la akhriyo xitaa qorraxda tooska ah, taas oo inta badan dhacda marka aad samaynayso dhaqdhaqaaqyo jimicsi dibadda ah.

Waxa kale oo jira astaamo kale oo aan u riyaaqay in la heli karo oo aan hubo in dad badani ay sidoo kale sameeyaan. Tusaale ahaan, waxaan jeclahay xaqiiqda ah in Xiaomi Mi Smart Band 4 ay ku tusi karto ogaysiisyada iyo fariimaha aad ka hesho casrigaaga, iyo sidoo kale gariir markaad wacdo telefoon ama marka alaarmiga shido. Bandhigu wuxuu leeyahay xalin aad u wanaagsan, wuxuuna awoodaa inuu muujiyo xitaa ogeysiisyo dhaadheer, oo leh jilayaal badan.

Sidoo kale, muuqaalka aaladda Raadinta^{(Find device)} kooxda waa hal shay oo kale oo si gaar ah ii faa'iido u lahaa. Eeg, waxaan haystaa ilmo yar, waxayna inta badan jeceshahay inay ka qaadato casrigayga casriga ah si ay sawirro uga qaado ama ugu ciyaarto. Waxay inta badan kaga tagtaa meelaha lama filaanka ah, waxaana inta badan igu adkaata helitaankeeda. Xiaomi Mi Smart Band 4 ayaa nolosheyda fududeysay: aniga oo isticmaalaya muuqaalkiisa Raadinta^{(Find device)} , waxa aan ku dhufan karaa dhawr badhamada, talefankaygiina waxa uu bilaabay in uu qayliyo, sidaas awgeed waxa ay ii fududaysay in aan helo. 🙂

Ugu dambeyntii, waa inaan sidoo kale sheego waxyaabaha aanan ka helin kooxdan jirdhiska. Marka hore^(First) , waxaan doorbidi lahaa in shaashaddeedu ay noqoto ugu yaraan in yar oo qalloocan. Taasi waxay ka dhigi lahayd mid qurux badan. Sida ay tahay, waxay u egtahay wax caadi ah, in kasta oo taas laga filayo qalabka miisaaniyada.

Marka labaad, raadraaca hurdada sax maaha. Ugu yaraan aniga, Xiaomi Mi Smart Band 4 ma aysan awoodin in ay la socdaan qaabka hurdadayda, sidaas darteed waa inaan wax ka beddelo duubisteeda maalin kasta gacanta. Ku dhawaad ​​habeen kasta, wax yar oo ka reeban, waxaan seexdaa oo aan daawadaa Netflix ama akhriyaa. Waqtiyadaas, dhaqdhaqaaq badan ma sameeyo. Waxaan filan lahaa in kooxdu ay sameeyaan fikrado ku saleysan kaliya maahan hababka dhaqdhaqaaqayga, laakiin sidoo kale waxay ku saleysan yihiin garaaca wadnahayga (iyo macluumaadka kale ee ay soo ururiyaan), oo ay arkaan inaanan hurdin. Habeenada badankooda, waxaan seexdaa agagaarka 2 ama 3 AM. Xiaomi Mi Smart Band 4 waxay u malaynaysaa inaan hurday ilaa 11 PM, iyo tira koobkeedu runta aad buu uga fog yahay. Taas waxaa laga hagaajin karaa Mi Fitapp haddii aad bedesho habaynta caadooyinka, laakiin taasi waxay faa'iido leedahay kaliya haddii aad leedahay caadooyin joogto ah. Qofka aniga oo kale ah, oo leh qaab nololeed qallafsan, leh waqtiyo hurdo iyo hurdo oo kala duwan, Xiaomi Mi Smart Band 4 ma keento raad-raac sax ah oo hurdo ah.

Waxa kale oo jira dhawr waxyaalood oo ka fiicnaan kara barnaamijka Mi Fit iyo deegaanka software-ka. App-ka laftiisa ayaa u muuqda mid wanaagsan wuxuuna bixiyaa dhammaan aasaaska aad u baahan tahay. Si kastaba ha ahaatee, helitaanka jidkaaga menu-yada ma aha mid dareen leh, mana isticmaali kartid si aad u bedesho luqadda kooxda si ay uga duwanaato luqadda casriga ah. Nasiib darro, taasi aniga taban ayay ii tahay, maadaama jilayaal badan oo luqaddayda hooyo ah, Roomaaniya^(Romanian) , aan si sax ah loogu soo bandhigin haddii taleefankayga casriga ah lagu dhejiyay Ingiriisi^(English) . Waxaan jeclaan lahaa in aan taleefankayga casriga ah ku hayn karo Ingiriisi^(English) , halka kooxda loo dhigayay Romanian^(Romanian) .

Sidoo kale, macluumaadka iyo tirakoobka kooxda ayaa kaliya laga heli karaa abka Mi Fit . Markaa, kuma arki kartid browser-ka shabakadda, tusaale ahaan, ama sinaba uma dhoofin kartid. Intaa waxaa dheer, in kasta oo ay tahay inaad samayso xisaab isticmaale Xiaomi , ku xidhidhkeeda waa wax ku dhufasho iyo waaya aragnimada haddii aad bedesho taleefankaaga casriga ah. Anigu, tusaale ahaan, waxaan la isticmaalay taleefan casriga ah ee Android ( ASUS ZenFone Max Pro M2 ), wax walbana way wanaagsanaayeen. Markii aan u wareegay isticmaalka Xiaomi Mi Smart Band 4 oo leh taleefan kale, iPhone SE , waxaan ku xiray Mi Fitapp isticmaalaya koonto la mid ah. Yaabka foosha xun ee aan lahaa ayaa ahaa in dhammaan xogtayda ay ka luntay akoonkayga, oo ay ku jiraan jimicsi, hurdo, iyo xogta garaaca wadnaha oo la duubay ka hor markii aan isticmaalayey band-ka casriga ah ee Android . Taasi waa waayo-aragnimo xun, gaar ahaan haddii aad la kulanto bilo ama sannado ka dib isticmaalka adeegyada Xiaomi .

Isticmaalka Xiaomi Mi Smart Band 4 waa khibrad wanaagsan, laakiin waxay leedahay cilladaheeda. Qalabkiisu aad buu u fiican yahay, waxa uu leeyahay muuqaal fiican iyo baytari, raadraaca garaaca wadnahana waa sax. Iyadoo la tixgalinayo qiimaheeda la awoodi karo, waxaan dhihi lahaa waa qalab fayow oo fiican oo loogu talagalay dadka miisaaniyada miyirka qaba. Si kastaba ha noqotee, haddii aad rabto koox fayow oo aad u qurux badan, sax ah marka la eego raadinta hurdada, taas oo ku siinaysa kalsoonida inaadan halis u ahayn inaad lumiso xogtaada intii aad kaydin lahayd xoogaa lacag ah oo aad lafagurid xulashooyinka kale sidoo kale.^{(Using the Xiaomi Mi Smart Band 4 is a good experience, but it has its flaws. Its hardware is excellent, it has a good display and battery, and the heart rate tracking is accurate. Considering its affordable price, I'd say that it is a great fitness device for budget-conscious people. However, if you want a fitness band that's more stylish, more accurate in terms of sleep tracking, and which gives you the confidence that you don't risk losing your data than you should save some money and analyze other options too.)}

Ma iibsan lahayd Xiaomi Mi Smart Band 4 ?

Hadda oo aad dhammaysay akhrinta dib u eegista, waa maxay aragtidaada ku saabsan Xiaomi Mi Smart Band 4 ? Ma kooxda jimicsiga oo aad iibsan lahayd ama aad hore u iibsatay? Waa maxay sababaha aad sidaas u samaysay? Waxaad kula wadaagi kartaa fikradahaaga qaybta faallooyinka ee hoose.

Xiaomi Mi Smart Band 4 review: It offers a lot for little money

The Xiaomi Mi Smаrt Band 4 is an affordable health and fitness device that does not empty your pockets and doeѕn't lеt you down оn hardware specіficationѕ. Featuring a color RGB AMOLED screen, a battery that can theoretically lаst for up to twenty days, water resistance, and an accυrate heart rate trасking senѕor, all for a low рrice, you can see why many people are considering purchasing it. If you are too, read this review and find out if it is worth buying and why:

Xiaomi Mi Smart Band 4: Who is it good for?

The Xiaomi Mi Smart Band 4 is an excellent choice for people who want:

• To track and improve their fitness
• A fitness band that can track the heart rate accurately
• To use their fitness bands while swimming
• A good fitness band with a small price

Pros and cons

There are quite a few things to like about the Xiaomi Mi Smart Band 4:

• It gathers plenty of useful data about you, during regular activities as well as during workouts
• Useful heart rate tracking
• It is water-resistant
• The AMOLED color display is bright, and its resolution is reasonably high
• Its battery is enough to keep it going for at least one week
• The wrist strap is comfortable
• It can show you notifications when you're getting phone calls, as well as notifications sent by the apps on your smartphone
• The Find device feature is useful
• It's very affordable

We also have a few weaknesses to mention:

• It fails to track your sleep patterns accurately
• The mobile app could be improved
• There is no way to see your data in a browser using your Xiaomi Mi account
• If you change your smartphone, you risk losing all your data, even if you connect to the same account

Verdict

The Xiaomi Mi Smart Band 4 is an excellent fitness band for users with a low budget. Its main qualities, besides price, are the bright and responsive touch screen, the water resistance, and the accurate heart rate tracking. We believe that this fitness band is a great choice for people who intend to buy their first device of this type, as well as for those who want to spend only a small amount of money. However, if you are seriously committed to fitness and sports in general, you might want to look at more expensive alternatives.

Unboxing the Xiaomi Mi Smart Band 4

The Xiaomi Mi Smart Band 4 comes in a long and rectangular box that looks pretty stylish. On its front, you can see an illustration of the fitness band, a small Mi logo, and the large number 4 that tells you the band's version.

If you want more details about your new fitness band, you can find them printed on the back and sides of the box. Inside, you get to see what you've paid for: the Xiaomi Mi Smart Band 4, a proprietary USB charger, the user guide, and the warranty.

The unboxing experience for the Xiaomi Mi Smart Band 4 is straightforward. The package contains everything you need to get started quickly.

Design and hardware specifications

The Xiaomi Mi Smart Band 4 looks just like any other budget fitness band, at least when it is turned off. The device itself, without the wristband, is plain and simple, with a rectangular form. That means that it's easy to stick a screen protector on it, if you are into that sort of thing, although the screen is already protected by 2.5D tempered glass. On the other hand, a curved screen might have looked better and more stylish.

The good news is that the screen is excellent compared to the ones on the previous iterations of Xiaomi Mi bands. The Mi Band 4 has a 0.95-inch AMOLED display with a resolution of 120 x 240 pixels and 24-bit RGB color depth. It's also bright, being able to reach up to 400 nits at maximum brightness.

On the back of the device, you can find the heart rate monitoring sensor and the charging contacts. Furthermore, the Xiaomi Mi Smart Band 4 also has a 3-axis accelerometer and gyroscope sensor, and a proximity sensor.

There are no physical buttons on the band: the screen is touch-sensitive and besides swiping on it, you can also use a capacitive button found at the bottom of the screen. This button is used for waking the band and for going back when navigating through its menus.

The wrist strap is made of thermoplastic polyurethane, which offers it a small amount of elasticity, but also resistance to abrasion. The wristband is 18 mm wide, and its length is adjustable, ranging from 155 to 216 mm maximum. That means that it should be a good fit for anyone, both men and women, regardless of how large or small your wrists are. It is also worth mentioning that the band weighs only 22.1 grams.

One thing that many people want from a fitness band is the ability to work during water sport activities. Fortunately, the Xiaomi Mi Smart Band 4 is waterproof and can withstand up to 5 ATM. That means that you can keep it on your wrist when you're swimming, for instance, and that is a big plus from us.

Regarding the band's connectivity, you should know that it uses Bluetooth version 5.0 and has support for BLE. BLE comes from Bluetooth Low Energy and describes the device's ability to use small amounts of energy to keep the Bluetooth connections turned on. Speaking of which, Xiaomi advertises this fitness band as being capable of lasting up to 20 days and fully charge in less than 2 hours. Its autonomy is provided by a rather small 135 mAh Lithium-Ion Polymer battery. As you can see in the next section of our review, this is possible if you are not using all the features of the band, although its autonomy is impressive even if you do.

Xiaomi Mi Smart Band 4 has 512 KB of RAM and 16 MB of ROM. The ROM (Read-Only Memory) is more than enough to store the band's firmware, settings, and logs, as well as some customizations, such as display skins.

In terms of operating systems supported, the Xiaomi Mi Smart Band 4 officially works with any smartphone running on Android 4.4 or above, as well as with any iPhone running iOS 9.0 or above.

If you want to read all the official specifications of this product, go to this page: Xiaomi Mi Smart Band 4 Specs.

The Xiaomi Mi Smart Band 4 features some impressive specifications, considering that it's a budget-friendly fitness band. It has heart rate monitoring, a great screen, excellent autonomy, and a reasonable price.

Using the Xiaomi Mi Smart Band 4

The Xiaomi Mi Smart Band 4 is already mounted in the wrist strap, using some edges around the device that fits into place when you press it against the wrist band. Unfortunately, I found it pretty hard to take it out of the wristband and put it back in. The first few times I tried, it felt like I was going to break it. On the other hand, after wearing the Xiaomi Mi Smart Band 4 for a while, I must say that the wrist strap is comfortable, because of its flexibility and also because the material it's made of does not make your wrist sweat. That is an important issue for me, because I'm allergic to quite a few things, and I'm predisposed to unpleasant skin reactions.

Another thing that impressed me quite a lot was the band's battery life. Even though I enabled most of its features, including sleep and continuous heart rate monitoring, the Xiaomi Mi Smart Band 4 managed to keep on going for about 10 days before I had to charge it. That's an outstanding ability considering how small the band's battery is.

In terms of fitness features, the Xiaomi Mi Smart Band 4 is quite generous. Not only can it count the wearer's steps, traveled distances, and estimated burned calories, but it also comes with six different workout modes. If you're curious about them, know that the band has specialized workout modes for the treadmill, exercise, outdoor running, cycling, walking, and swimming. Unfortunately, except for walking and cycling, I'm not much of a fitness man, and cycling was out of the question during this time, as the weather conditions were pretty bad in my area. However, as far as I've noticed, the Xiaomi Mi Smart Band 4 manages to count steps quite accurately. It does sometimes add some fictional steps that you did not make, but their number is low and doesn't affect the statistics in a meaningful way. It's no more than ten or twenty steps added to the thousand.

One thing that I especially liked about the Xiaomi Mi Smart Band 4 was its media control feature. Wondering what that's about? The band offers you controls for the music you play on your smartphone, and it supports not only music apps such as Spotify but also YouTube. With just a few taps on the band, you can do things like adjusting the volume or skipping to the next song. I believe that is a useful feature when you're out and about running or riding your bicycle.

Furthermore, the Xiaomi Mi Smart Band 4 has an impressive screen, which is bright and easy to read even in direct sunlight, which is often the case when you're doing fitness activities outdoors.

There are also other features that I appreciated having available and which I'm sure many people do too. For instance, I like the fact that the Xiaomi Mi Smart Band 4 can show you notifications and messages that you receive on your smartphone, as well as vibrate when you get a phone call or when an alarm turns on. The display has an excellent resolution, and it's able to show even long notifications, with many characters.

Also, the band's Find device feature is one other thing that was especially useful to me. See, I have a small child, and she often likes to take my smartphone to take photos or play games on it. She often leaves it in the most unexpected places, and I usually have a hard time finding it. The Xiaomi Mi Smart Band 4 made my life easier: using its Find device feature, I could tap a few buttons on it, and my smartphone started screaming, thus making it much easier for me to find it. 🙂

Finally, I also have to mention the things I don't like about this fitness band. First of all, I would have preferred its screen to be at least slightly curved. That would have made it look a bit stylish. As it is, it looks just common, although that's to be expected from a budget device.

Secondly, sleep tracking is not accurate. At least for me, the Xiaomi Mi Smart Band 4 did not manage to track my sleep patterns at all, so I had to edit its recordings each day manually. On almost every night, with few exceptions, I go to bed and watch Netflix or read. During those times, I don't move a lot. I would have expected the band to make assumptions based not only on my movement patterns, but also based on my heart rate (and other information that it gathers), and see that I was not sleeping. On most nights, I fall asleep around 2 or 3 AM. Xiaomi Mi Smart Band 4 thinks I've been sleeping since 11 PM, and its statistics are a long way from the truth. That can be adjusted from the Mi Fit app if you change the habits settings, but that is useful only if you have regular habits. For someone like me, who has an erratic lifestyle, with various sleeping and waking times, the Xiaomi Mi Smart Band 4 doesn't deliver accurate sleep tracking.

There are also a few things that could be better about the Mi Fit app and the software environment. The app itself looks nice and offers all the basics you need. However, finding your way through its menus is not intuitive, and you can't use it to change the band's language to be different from your smartphone's language. Unfortunately, that's a negative for me, as many characters from my native language, Romanian, are not displayed correctly on it if my smartphone is set to English. I would have liked to be able to keep my smartphone on English, while the band was set to Romanian.

Also, the information and the statistics from the band are only available in the Mi Fit app. Thus, you can't see them in a web browser, for example, or export them in any way. Furthermore, although you must create a user account with Xiaomi, connecting to it is a hit and miss experience if you change your smartphone. I, for instance, used an Android smartphone (ASUS ZenFone Max Pro M2) with it, and all was well. When I switched to using the Xiaomi Mi Smart Band 4 with another phone, an iPhone SE, I connected the Mi Fit app using the same account. The ugly surprise I had was that all my data was lost from my account, including workouts, sleep, and heart rate data recorded before when I was using the band with the Android smartphone. That's a bad experience, especially if you encounter it after months or years of using Xiaomi's services.

Using the Xiaomi Mi Smart Band 4 is a good experience, but it has its flaws. Its hardware is excellent, it has a good display and battery, and the heart rate tracking is accurate. Considering its affordable price, I'd say that it is a great fitness device for budget-conscious people. However, if you want a fitness band that's more stylish, more accurate in terms of sleep tracking, and which gives you the confidence that you don't risk losing your data than you should save some money and analyze other options too.

Would you buy the Xiaomi Mi Smart Band 4?

Now that you have finished reading this review, what is your opinion about the Xiaomi Mi Smart Band 4? Is it a fitness band that you'd buy or which you already bought? What are your reasons for doing so? You can share your thoughts in the comments section below.

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