Description: Material: Silicone battery capacity Battery capacity: 150mAh Body memory: 258Mb Wearing mode: Wristband Operation mode: Touch interface: USB 3.0 Wireless distance: 5m (inclusive) -10m (inclusive) Communication function: Wristband material is not supported : Silicone packing list: head, strap, meter anual function: sleep monitoring Applicable to: general mobile phone version: IOS8.0 and Android 4.4 and above BT version: 4.0 Display: 1.3" color screen size: 43.5*36*12.3mm screen: 240 *240 resolution standby time: about 10 days working time: 5-7 days charging port: magnetic charging water level: IP67 button: one-key Oled type: stop Product features: heart rate / blood pressure / blood oxygen / distance / calories / sedentary Time/Alarm/Clock/Sleep monitoring/Find mobile phone/Find clock/Mobile phone gestures "motor vibration message whatsapp twitter Skype instagram WeChat watch language: international English application languages: Chinese, English, Spanish, French, Dutch, Portuguese, German, Russian, Turkish, Japanese, Persian, Arabic, Malaysian, Thai. Waterproof blood pressure heart rate call photo sleep package includes: head*1, strap*1, instruction manualPackage listOne pieceNote: 1 Due to the difference of the light display, there is a slight difference between the actual product and the picture. Please refer to the actual product. 2Due to the difference of 1-3cm between the actual product measured manually, please refer to the actual product.