Lokmat MK16 LCD Screen 50m Waterproof Smart Watch 1. System: EX WATCH 1. 02. Bluetooth: BT 4.0, Bluetooth effective distance is 8-10 meters (open environment) 3. Display: FSTN / full viewing angle 4. The standard button battery with mod CR2430 is adopted, which is convenient for users to replace by themsves 5. Case and strap: TPU 6. Waterproof lev: 50 meters 7. Function: exercise record (pedometer, calorie burn, mileage,). The watch's exercise data is stored for 15 days (recurring coverage), and information pushes: push notifications for incoming calls, QQ, WeChat, SMS, , etc. (The phone or information sign on the dial flashes) Alarm clock, stopwatch, remote camera, etc. 8. Reminder method: buzzer reminder, no vibration and ringtone 9. APP name: SPORT+ 10. APP language: Simplified Chinese, Traditional Chinese, English, Russian, German, Japanese, Korean, Italian, Spanish, Portuguese, French, Arabic 11. Watch head size: 53.0 x 55.0 x 17.0 mm