Specification Compatibility: Android 5.0 and above, IOS8.0 and above Screen: 0.96 inch Bluetooth: 4.0 Battery: 80mAh Charging: USB Waterproof: IP67 Charging time: about 2H Time of use: 2-3 days Standby time: 5 days Functions: Watch, Camera, Pedometer, Heart Rate Monitor, Blood Oxygen Meter, Sleep Monitor, Various Sports Activity Modes, Calories Burnt Meter, Incoming Call Notifications, SMS, App Notifications, Weather Information, Motion Reminder, Music Control phone, Application: FitPro