Fangrui Product Details 1. Gt69 1.3 Inch Ips Touch Screen Ip67 Waterproof Bluetooth Earphone Smart Watch, Support Sleep Monitoring Heart Rate Monitoring Bluetooth Call 2. Screen: 1.28 Inch Ips Touch Screen 3. Resolution: 240x240 4. Charging Method (input): Magnetic Data Cable Charging, 5v100ma 5. Watch Bluetooth Version: 4.0 6. Output: 5v60ma 7. Earphone Bluetooth Version: 5.0, Support Apple And Android Systems 8. Battery Capacity: 360mah 9. Compatible System: Ios 9 And Above, Android 4.4 And Above 10. Main Chip: Nrf52832 Qfaa + Jerry 11. Memory: 128mb 12. Acceleration Sensor: Bosch Bosch Bma421 13. Firmware Language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian 14. App Languages: Chinese, Traditional Chinese, English, Korean, German, Spanish, Japanese, French, Italian, Russian, Portuguese, Arabic, Ukrainian 15. Functions: Pedometer, Calories, Sleep Monitoring, Alarm Clock Reminder, Dial-up Call, Call Rejection, Stopwatch, Multi-sports Mode, Sedentary Reminder, Call Reminder, Sms Reminder, Remote Camera, Music Control, Etc. 16. Strap Material: Silicone Steel 17. Dial Size: 46x15.5mm, Strap Length: 260mm