Xiaomi Mi Smart Band 4
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.
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| Developer | Xiaomi |
|---|---|
| Manufacturer | Anhui Huami Information Technology Co. Ltd |
| Product family | Mi Band |
| Type | Activity tracker, Watch |
| Generation | 4 |
| Release date | June 11, 2019 |
| Introductory price | 33€ on Xiaomistore.pk[5] |
| System on a chip | Dialog DA14697 [6] |
| Memory | 512KB |
| Storage | 16MB |
| Display | 0.95 inch AMOLED |
| Connectivity | Bluetooth 5.0 BLE NFC in some models. |
| Power | 135 mAh |
| Mass | 22.1 g |
| Predecessor | Xiaomi Mi Band 3 |
| Website | Official website |
Specifications[7]
- Display: 0.95 inch AMOLED, full color touch screen;
- Colour depth: 24bit;
- Screen brightness: Up to 400 nits;
- Resolution: 128 x 240;
- Button: Single touch button (wake up, go back);
- Connectivity: Bluetooth version 5.0 BLE; NFC on some models[8][9];
- Mass: 22.1 g;
- RAM: 512KB;
- ROM: 16MB:
- Battery: LiPo, 135mAh, for 20 days of battery life;
- Sensors: accelerometer, gyroscope, PPG heart rate sensor, capacitive proximity sensor;
- Waterproof: up to 50 metres, 5 atmospheres
References
- ^ Wearables, Siddharth Chauhan 2019-06-12T07:41:30Z. "Xiaomi Mi Band 4 with AMOLED screen launched in China". TechRadar. Retrieved 2019-06-15.
{{cite web}}: Cite has empty unknown parameter:|dead-url=(help)CS1 maint: numeric names: authors list (link) - ^ "Xiaomi Mi 9T and Mi Smart Band 4 officially land in Europe". GSMArena.com. Retrieved 2019-06-15.
- ^ Black, Marie. "Official: Mi Smart Band 4 is super-budget swim tracker with 20-day battery life". Tech Advisor. Retrieved 2019-06-15.
- ^ 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.
- ^ "Mi Band 4 Fitness Tracker - Xiaomi". Xiaomi. Retrieved 2019-06-15.
- ^ "Mi Band 4 - Teardown, Disassembly, Crush test". GeekDoing. Retrieved 2019-07-07.
- ^ "Mi Smart Band 4 Specifications". www.mi.com. Retrieved 2019-06-15.
{{cite web}}: Cite has empty unknown parameter:|dead-url=(help) - ^ Wilde, Damien (2019-06-11). "Xiaomi unveils Mi Band 4 w/ color display, NFC, more". 9to5Google. Retrieved 2019-06-15.
- ^ "小米手环4 NFC版 参数-小米商城". www.mi.com. Retrieved 2019-06-15.
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