Product information:

Dial diameter: 43mm
Screen: 1.30" AMOLED
Resolution 360 X 360
Corning Gorilla 3 tempered glass + anti-fingerprint coating
Strap material: silicone + polycarbonate
Strap craft: Cleaning treatment
Strap length: 70mm + 1 13mm
Sensor: PPG heart rate sensor
3-axis acceleration sensor
Ambient light brightness sensor
GNSS satellite positioning: GPS+GL ONASS
Connection: Bluetooth 5.0BLE
Battery: 390mAh lithium polymer battery
Charging time: 2.5 hours
Battery life: about 20 days in typical usage scenarios
Body material: glass fiber reinforced polycarbonate
Waterproof rating: IP68
Supported devices: Android4.4 or iOS9.0 and above mobile phones supporting Bluetooth 4.0