1. Display: 1.75-inch high-definition screen, resolution: 320*385
2. Battery capacity: 200mAh
3. Bluetooth version: 5.0
4. Standby time: about 3-7 days
5. Multi-function knob switch, durable
6. Smart language instructions mobile phone operation, flexible and fast
7. Function: GPS motion track, multi-sport mode, Bluetooth call, information push, Bluetooth music playback, heart rate monitoring, calculator, timer, sedentary reminder, sleep monitoring, calendar, etc.
8. Size: 42x38x10mm