Fangrui Product Details 1. E80 1.3 Inch Tft Color Screen Ip68 Waterproof Smart Bracelet, Support Blood Oxygen Monitoring Body Temperature Monitoring Heart Rate Monitoring, Style:silicone Strap 2. Waterproof Level: Ip68 3. Compatible System: Android 4.4 And Above, Ios 8.2 And Above 4. Screen Size: 1.3 Inch Tft Color Screen, Resolution 240*240 5. Bluetooth: 4.2ble (low Power Consumption) 6. Battery Capacity: 200mah 7. Charging Method: Magnetic 8. Charging Time: About 3-4h 9. Battery Life: 6-13 Days Of Use, 20-40 Days Of Standby 10. App Languages: Chinese, English, Traditional, Japanese, German, Spanish, French, Italian, Thai, Russian 11. Firmware Language: Chinese, English, Traditional, Japanese, French, German, Italian, Spanish, Russian, Portuguese, Malay, Korean, Polish 12. Function: Female Health (menstrual Cycle), Body Temperature Monitoring And Warning, Blood Oxygen Monitoring, Respiration Rate, Blood Pressure Monitoring, Exercise Pedometer, Alarm Clock, Call Reminder, Calories, Distance, Alarm Clock Reminder, Etc. 13. Material: Shell: Metal Alloy, Bottom Shell: Pc+abs 14. Size 245x43.5x11mm 15. Packing List: Watch, Charging Cable, Instruction Manual, Packing Box