1. Screen: 1.69 inches, Resolution: 240 x 280
2. System support: Android 5.1 and above, IOS 8.2 and above, support Bluetooth 4.0
3. Material: metal + plastic
4. Standby time: normal use: 3-5 days; standby: 10-15 days
5. Charging method: Magnetic suction
6. Bluetooth version: BLE5.0
7. Battery capacity: 180mAh
8. Waterproof level: IP67
9. Message notification: Bluetooth call, heart rate monitoring, blood pressure/blood oxygen measurement, sleep monitoring, information notification of various sports modes.
