Fangrui Product Details 1. Lokmat Mk16 Lcd Screen 50m Waterproof Smart Watch, Support Information Reminder Remote Camera Walking Motion Monitor 2. System: Ex Watch 1.0 3. Bluetooth: Bt 4.0, Bluetooth Effective Distance Is 8-10 Meters (open Environment) 4. Display: Fstn Full Viewing Angle 5. The Standard Button Battery With Model Cr2430 Is Adopted, Which Is Convenient For Users To By Themselves 6. Case And Strap: Tpu 7. Waterproof Level: 50 Meters 8. Function: Exercise Record (pedometer, Calorie Burn, Mileage,). The Watchs Exercise Data Is Stored For 15 Days (recurring Coverage), And Information Pushes: Push Notifications For Incoming Calls, Qq, Wechat, Sms, Facebook Twitter, Etc. (the Phone Or Information Sign On The Dial Flashes) Alarm Clock, Stopwatch, Remote Camera, Etc. 9. Reminder Method: Buzzer Reminder, No Vibration And Ringtone 10. App Name: Sport+ 11. Watch Head Size: 53.0 X 55.0 X 17.0 Mm