Engineering:Xiaomi Mi Band 4
From HandWiki
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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 |
The Xiaomi Mi Band 4 is a wearable activity tracker produced by Xiaomi Inc. It was announced in China on 14 June 2019,[2] in Europe the day after[3] and in India on 17 September 2019. It was released in China on 16 June 2019,[4] in Europe on 26 June 2019[5] 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.
Specifications[6]
- 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[7][8];
- 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
See also
References
Mi Smart Band 4: In Depth Analysis
- ↑ "Mi Band 4 - Teardown, Disassembly, Crush test" (in en-US). https://geekdoing.com/threads/mi-band-4-teardown-disassembly-crush-test.984/.
- ↑ Wearables, Siddharth Chauhan 2019-06-12T07:41:30Z. "Xiaomi Mi Band 4 with AMOLED screen launched in China" (in en). https://www.techradar.com/news/xiaomi-mi-band-4-with-amoled-screen-launched-in-china.
- ↑ "Xiaomi Mi 9T and Mi Smart Band 4 officially land in Europe" (in en-US). https://www.gsmarena.com/xiaomi_mi_9t_and_my_smart_band_4_are_official_in_europe-news-37545.php.
- ↑ Black, Marie. "Official: Mi Smart Band 4 is super-budget swim tracker with 20-day battery life". https://www.techadvisor.co.uk/new-product/wearable-tech/mi-smart-band-4-3693779/.
- ↑ España, Xiaomi (2019-06-12). "#MiSmartBand4, todo lo que necesitáis saber sobre ella está resumidito aquí mismo #XiaomiLoPetapic.twitter.com/vDgqXZwAAT" (in es). https://twitter.com/XiaomiEspana/status/1138756333136732160.
- ↑ "Mi Smart Band 4 Specifications". https://www.mi.com/global/mi-smart-band-4/specs/.
- ↑ Wilde, Damien (2019-06-11). "Xiaomi unveils Mi Band 4 w/ color display, NFC, more" (in en-US). https://9to5google.com/2019/06/11/xiaomi-mi-band-4/.
- ↑ "小米手环4 NFC版 参数-小米商城". https://www.mi.com/shouhuan4nfc/specs/.
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