Fangrui Product Details 1. W34 1.54 Inch Ips Color Screen Smart Watch,support Call Reminder Heart Rate Monitoringsleep Monitoringsedentary Reminderecg Monitoring 2. About Product 3. Bluetooth Version: Ble 4.0 4. Battery Capacity: 380mah 5. Screen Resolution: 240*240 6. Charging Method:usb Charging 7. System: Android System 5.0 Version Or Above,ios System 9.0 Version Or Above 8. Support Languages:simplified Chinese, Traditional Chinese, English, German, Spanish, Italian, French, Portuguese (portugal), Portuguese (brazil), Russian, Indonesian, Malay, Polish, Vietnamese, Hebrew, Arabic, Persian, Thai, Burmese, Turkish, Japanese, Korean 9. Function 10. Hd Super Retina,full Touchable 11. Heart Rate Monitoring,electrocardiogram,bluetooth Call 12. Sleep Monitoring (sleep Time, Sleep Quality 13. Standard Function (step, Distance, Calories) 14. Bluetooth Music,anti-lost Both Ways,remote Photograph 15. Alarm Clock,stopwatch,sedentary Reminder,message Notification,call Reminder,wechat Alerts,qq Reminder