The Xiaomi Mi Band 3 is a wearable activity tracker produced by Xiaomi Inc. It was released on 31 May 2018. It has a capacitive OLED display. The tracker features heart rate monitoring, although it does not offer continuous heart rate display.
Specifications Display: 0.78 inch OLED, single point touch screen; Resolution: 128 × 80 pixels; Button: capacitive; Connectivity: Bluetooth version 4.2 BLE; NFC on some models; Size: 46.9 × 17.9 × 12 mm; Weight: 20 g; Casing: plastic + alloy; Battery capacity: 110 mAh for 20 days of battery life; Sensors: accelerometer, optical heart rate monitor; Waterproof: up to 50 metres, 5 atmospheres
References
External links Mi Band 3 – Official website in Chinese