- MODEL : HOCO Y31
- DISPLAY : 1.91" HD Full Touch Screen
- SCREEN RESOLUTION : 240 × 296 pixels
- SCREEN SIZE : 1.91 inches
- Microphone Input : Yes
- BLUETOOTH : Bluetooth 5.3
- WATERPROOF : IP67
- GPS : No
- OS Compatibility : Android 5.0+ / iOS 10.0+
- Sensors : Heart rate, SpO2, Sleep monitor, Step counter
