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