HT34 1.75 inch IPS Screen 3ATM Outdoor Sports BT Smart Watch 1. CPU: AB5691 2. RAM: 578KB 3. ROM: 640KB 4. Flash: 128MB 5. Bluetooth version: BLE5.2 6. Heart rate sensor: HX3918 7. Acceleration sensor: STK8321 8. Screen: 1.75-inch IPS screen, 240x296 resolution, full-screen touch 9. Battery capacity: 480mAh 10. Standby time: about 30 days 11. Working time: 5-7 days 12. Charging method: USB magnetic charging 13. Charging time: about 2.5 hours 14. Waterproof level: 3 ATM 15. APP: FitCloudPro 16. System requirements: Android 5.1 iOS 8.2 or above 17. Watch UI language support: Simplified Chinese, English, German, Spanish, French, Italian, Korean, Japanese, Swedish, Czech, Arabic, Polish, Dutch, Danish, Hungarian, Portuguese, Greek 18. APP language support: 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 19. Functions: Bluetooth calls, exercise monitoring, sleep monitoring, heart rate monitoring, blood oxygen monitoring, blood pressure monitoring, breathing training, alarm clock, sedentary reminder, alarm clock reminder, music control, remote photography, message reminder, call reminder, Alipay, find your mobile phone, sports modes, custom dial 20. Body material: zinc alloy + PC 21. Wristband: silicone 22. Dial size: 50.8x47.5x12.1mm 23. Wristband total length: 18mm 24. Watch net weight: 54g 25. Packing list: Smartwatch (including watchband) x 1, Charging cable x 1, User manual x 1