Product Parameters: Body: Plastic Wristband: TPU Compatible System: Android 5.0 above、IOS 8.0 above FLASH memory: 32Mbit Type: TFT Screen Size: 0.96 inch TFT-LCD Resolution: 80x160 Type: Single touching BT: BT 5.0 G-Sensor: Stand by Heart Rate: HRS3300 Battery Type: Lithium polymer battery Capacity:105mAh Charging Method: USB Waterproof Level: IP68 Charging time: 2H Life Time: 6-13 days of use, 45 days of standby Wristband Size: Total length 21cm, Adjust length 12-20cm APP: Runmifit Net Weight: 23.04g/0.05 lbs Gross Weight: 50g/0.11 lbs Product Size: 4.04x2.01x1.05cm/1.59x0.79x0.41 inch Package Szie: 14x8.7x1.7cm/5.51x3.42x0.67 inch Function: 1. Health monitoring (sleep monitoring, 24-hour heart rate monitoring, blood pressure, blood oxygen, body temperature) 2. Sports monitoring (step counting, calorie consumption, distance, 16 sports modes, GPS track records) 3. Other functions (customized watch change, call reminder, drinking water reminder, sedentary reminder, SMS reminder, women's health, alarm clock reminder, remote control camera, etc.) 4. Software message push (Faceboo-k, TWITTE-R, line, WeChat, etc.) 5. The bracelet supports the display of Chinese, English, Japanese, German, Italian, French, and languages. The APP supports languages of dozens of countries and regions around the world. Package Include: 1 x Smart Watch 1 x Use Manual