Fangrui Product Details 1. Ht5 1.57 Inch Ips Touch Screen Ip68 Waterproof Smart Watch, Support Sleep Monitoring Heart Rate Monitoring Body Temperature Monitoring Bluetooth Call 2. Waterproof Rating: Ip68 3. Bluetooth Distance: Greater Than Or Equal To 10m 4. Battery Life: 5--7 Days (depending On The Usage Scenario) 5. Charging Time: Less Than Or Equal To 2h 6. With Smart Phone System: Android 5.1, Ios 8.2 And Above Support Bluetooth 4.4 Ble System 7. Cpu: Realtek8762ck, Bk3266 8. Ram (random Access Memory): 128kb 9. Rom (read Only Memory): External 64bit 10. Heart Rate Sensor: 3300 11. Acceleration Sensor: Sc7a20 12. Bluetooth: Ble5.0 13. Display: 1.57 Inch Ips Display, Resolution: 200*320 14. Battery: 180mah Polymer Battery 15. Charging Interface: 2pin Thimble Interface 16. Watch Firmware Language: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Latin Denmark, Romania 17. App Language: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Russian, Czech, Portuguese, Turkish, Greek, Vietnamese, Thai, Arabic, Polish, Dutch, Latin Denmark, Romania 18. Function: Bluetooth Call, Watch Phone Book, Exercise Monitoring, Sleep Monitoring, Heart Rate Detection, Blood Pressure Detection, Breathing Exercise, Exercise Mode, Body Temperature Measurement, Alarm Clock, Sedentary Reminder, Target Reminder, Callmessage Reminder, Stopwatch, Remote Photo , Music Control, Weather, Etc. 19. Material: Aluminum Alloy 20. Strap Specification: 22mm Silicone Strap (removable And Replaceable) 21. Dimensions: 46.2x30.4x10mm 22. Weight: 34g