Xiaomi Mi Band 4
The Xiaomi Mi Band 4 is a wearable activity tracker produced by Xiaomi Inc released in China on 16 June 2019,[2] in Europe on 26 June 2019[3] and in India on 19 September 2019. It is 39.9% larger than its predecessor, has a super capacitive AMOLED display and 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 | 11 June 2019 |
| System on a chip | Dialog DA14697 [1] |
| 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 |
| Successor | Xiaomi Mi Band 5 |
| Website | Official website |
Specifications[4]
- Display: 0.95 inch AMOLED, full color touch screen;
- Colour depth: 24bit;
- Screen brightness: Up to 400 nits;
- Resolution: 120 x 240;
- Button: Single touch button (wake up, go back);
- Connectivity: Bluetooth version 5.0 BLE; NFC on some models;[5][6]
- Mass: 22.1 g;
- RAM: 512KB;
- Storage: 16MB:
- Battery: LiPo, 135mAh, 20 days of battery life;
- Sensors: accelerometer, gyroscope, PPG heart rate sensor, capacitive proximity sensor;
- Waterproof: up to 50 metres, 5 atmospheres
References
Mi Smart Band 4: In Depth Analysis
- "Mi Band 4 - Teardown, Disassembly, Crush test". GeekDoing. Retrieved 7 July 2019.
- Black, Marie. "Official: Mi Smart Band 4 is super-budget swim tracker with 20-day battery life". Tech Advisor. Retrieved 15 June 2019.
- España, Xiaomi (12 June 2019). "#MiSmartBand4, todo lo que necesitáis saber sobre ella está resumidito aquí mismo #XiaomiLoPetapic.twitter.com/vDgqXZwAAT". @XiaomiEspana (in Spanish). Retrieved 15 June 2019.
- "Mi Smart Band 4 Specifications". www.mi.com. Retrieved 15 June 2019.
- Wilde, Damien (11 June 2019). "Xiaomi unveils Mi Band 4 w/ color display, NFC, more". 9to5Google. Retrieved 15 June 2019.
- "小米手环4 NFC版 参数-小米商城". www.mi.com. Retrieved 15 June 2019.
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