1. Bluetooth version: Bluetooth 4.0
2. Compatible system: IOS 7.1 and above, Android 4.4 and above
3. Dual mode control: touch control and watch time by turning the wrist
4. Main functions: heart rate monitoring, step counting, calorie consumption, distance, number of steps, automatic sleep monitoring, incoming call vibration reminder (caller number / name display), information display, alarm clock reminder, mobile phone anti-lost, remote camera, etc.
5. Screen size: 0.66" OLED
6. Battery capacity: 80mAh polymer lithium battery
7. Waterproof rating: IP67 (waterproof, sweatproof, rainproof, splashproof)