Xiaomi Mi Band 4

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The Xiaomi Mi Band 4 is a wearable activity tracker produced by Xiaomi Inc. It was announced in China on 11 June 2019[1] and in Europe the day after[2]. It was released in China on 16 June 2019[3] and in Europe on 26 June 2019[4]. It has a full-color capacitive AMOLED display. The tracker features 24/7 heart rate monitoring.

Xiaomi Mi Band 4
Mi Band 4.jpg
ManufacturerAnhui Huami Information Technology Co. Ltd
Product familyMi Band
TypeActivity tracker, Watch
Release dateJune 11, 2019 (2019-06-11)
Introductory price33€ on Xiaomistore.pk[5]
System-on-chip usedDialog DA14697 [6]
Display0.95 inch AMOLED
ConnectivityBluetooth 5.0 BLE
NFC in some models.
Power135 mAh
Mass22.1 g
PredecessorXiaomi Mi Band 3
WebsiteOfficial website



  1. ^ Wearables, Siddharth Chauhan 2019-06-12T07:41:30Z. "Xiaomi Mi Band 4 with AMOLED screen launched in China". TechRadar. Retrieved 2019-06-15.
  2. ^ "Xiaomi Mi 9T and Mi Smart Band 4 officially land in Europe". GSMArena.com. Retrieved 2019-06-15.
  3. ^ Black, Marie. "Official: Mi Smart Band 4 is super-budget swim tracker with 20-day battery life". Tech Advisor. Retrieved 2019-06-15.
  4. ^ España, Xiaomi (2019-06-12). "#MiSmartBand4, todo lo que necesitáis saber sobre ella está resumidito aquí mismo #XiaomiLoPetapic.twitter.com/vDgqXZwAAT". @XiaomiEspana (in Spanish). Retrieved 2019-06-15.
  5. ^ "Mi Band 4 Fitness Tracker - Xiaomi". Xiaomi. Retrieved 2019-06-15.
  6. ^ "Mi Band 4 - Teardown, Disassembly, Crush test". GeekDoing. Retrieved 2019-07-07.
  7. ^ "Mi Smart Band 4 Specifications". www.mi.com. Retrieved 2019-06-15.
  8. ^ Wilde, Damien (2019-06-11). "Xiaomi unveils Mi Band 4 w/ color display, NFC, more". 9to5Google. Retrieved 2019-06-15.
  9. ^ "小米手环4 NFC版 参数-小米商城". www.mi.com. Retrieved 2019-06-15.