Description About Product Call Reminder:Support Phone Book:Not support SMS,Message Reminder:Support Schedule Reminder:Not support Heart Rate Monitor:Support Sedentary Reminder:Support Sleep Monitor:Support Activity Monitor(Step,Distance,Calories Measuring):Support Remote Camera:Support Alarm Alert:Support Anti-lost Alert:Not support Alert Type:Vibration Always Light-up Screen:Not support Water Resistance:Life waterproof,not for shower,swim,dive. Phone Asistance: Android Phone:Support for Android 4.4 or above Phone iOS Phone:Support for iOS 8.2 or above Phone APP Name:WearHealth APP Language:Mainly Chinese,English, Can customize other language Appearance & Details: Dial Shape:Rectangle Dial Case Material:PC Dial Diameter:about 1.96 cm Dial Thickness:about 1.12 cm Watchband Width:about 1.72cm Watchband Length:about 11.8 cm Watchband Material:TPU Some Specification Bluetooth Version: Bluetooth 4.0 Waterproof: Yes IP rating: IP67 Screen type: TFT Operating mode: Touch Screen Compatible OS: Android,IOS Compatability: Android 4.4 and above / iOS 8.2 and above