1. Bluetooth: BLE 4.0
2. Strap Material: Silicone
3. Battery ??? Lithium Ion Polymer Battery
4. Battery capacity: 170mAh
5. Standby time: 7-10 days
6. Charging mode: adsorption charging
7. Charging time: about 2 hours.
8. Size: 1.3 inches 240x240 dpi
9. Type: TFT
10. APP OS: IOS9.0 or above, Android 4.4 or above
11. Supported languages: Zhongjian, Zhongfan, English, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian
12. Main functions: monitoring heart rate, blood pressure, blood oxygen, step, distance, calories, multiple sports modes (cycling, swimming, running, basketball, badminton), sleep monitoring, call reminder (number / name of the caller), message reminder, music control, weather forecast, alarm reminder, anti-lost reminder, sedentary reminder, raised wrist display, remote control camera, etc.