HT8 1.46 inch Round Screen Bluetooth Smart Watch, Support Health Monitoring & 100+ Sports Modes & Alipay 1. CPU: Realtek8763EWE 2. RAM+ROM: 578KB+640KB 3. External Flash: 128MB 4. Sensor: Heart rate sensing chip HX3605, acceleration sensor STK8321, geomagnetic sensor 5. Display screen: 1.46 inch IPS full touch screen, resolution 360x360 6. Battery: 320mAh, magnetic suction charging for about 2 hours 7. Battery life: 15 days standby, 7 days normal use 8. Bluetooth: BLE5.0 9. Waterproof grade: IP67 10. Support APP: FitCloudPro 11. System requirements: Android 5.1 or above, iOS8.2 or above 12. APP languages: Simplified Chinese, Traditional Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew, Indonesian, Malay, Polish, Thai, Vietnamese, Finnish, Romanian, Turkish, Croatian 13. Watch language: Simplified Chinese, Traditional Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew, Indonesian, Malay, Polish, Thai, Vietnamese, Finnish, Romanian, Turkish, Croatian 14. Main functions: custom wallpaper, Bluetooth call, Alipay, payment code, music control, social app message reminder, call reminder, SMS reminder, heart rateblood pressuresleep monitoring, 100+ sports modes, alarm clock, sedentary reminder, search for phone, music playback, stopwatch, calculator, calendar, etc 15. Appearance Material: zinc alloy case, silicone wristband 16. Dial size: 47.5x12.6mm 17. Weight: 75g