1. 1.7 inch TFT; Resolution: 240 x 280
2. System support: Android 5.0 and above, IOS9.0 and above
3. Battery: polymer lithium ion battery, pure cobalt, Seiko protection board
4. Standby time: normal use: 5-7 days; standby: 20-30 days
5. Charging method: Magnetic suction
6. Bluetooth: BLE Ver5.0 and BT3.0
7. Battery capacity: 200mAh
8. Waterproof level: IP67
9. Message notification: Bluetooth calling, Alipay offline payment, heart rate monitoring, blood pressure/blood oxygen measurement, sleep monitoring, physiological cycle reminder, multiple exercise modes.
