Specification Model     NO.1 F7 Platform     Nordic NRF52832QFAA  Product Modeling     GPS Smartwatch Side button     Support Features  Bluetooth Push     Yes, support IOS/Android system Information synchronization language    Follow the connect smartphone system  GPS    Built In Gps record, Independent GPS record Temperature    Real-time temperature, Ambient temperature measurement Height    Real-time height measurement Heart Rate Detection     Support Pedometer     Support Sleep Monitoring     Support Call alert     Support Bluetooth Features and Versions     Bluetooth 4.2 Vibrating Motor     Support Multi-Sport Mode     Support(Walking / Running / Climbing /Biking) Waterproof    IP67 App support language    Russian, German, Italian, Czech, Japanese, French, Polish, Thai, Chinese,  Traditional Chinese, English, Portuguese, Spanish Hardware  Battery    400mAh (20 day standby time) Strap     Changeable straps  Charger    Support Green Products     Yes Color     Black, Silver Screen     0.95" 96X64 OLED Color Display  Product weight    180g Package Contents     1 x Smartwatch, 1 x Manual, 1 x charger cable