HT42 1.7 inch GPS Sports Smart Watch Supports Bluetooth Call Heart Rate Sleep Monitoring 1. Product number: HT42 2. Product Selling Points: Altitude pressure; Compass; Outdoor torch 3. Housing Material: Alloy + Plastic 4. Strap Specifications: 22mm（detachable） 5. Strap material: RUBBER 6. Adjustable strap circumference: 145-265mm 7. Product Weight: 69g（Silicone strap）， 8. Standby Time: 15 day 9. Work Time: 5-7 day 10. Waterproof level: 3ATM 11. Memory: External memory 128MB（RAM578+ROM640KB） 12. GPS: CC1165W（Single-frequency） 13. Bluetooth: BLE 5.3 14. Accelerometer: STK8321 15. Heart rate sensor: VC30FS 16. Barometric pressure sensor: SPL07-03 17. Geomagnetic sensor: MMC5603NJ 18. Display screen: 1.7 inch 360x360 IPS 19. Touchscreen: Full-screen touch 20. Key: 3PCS 21. LED Torch: Support 22. Battery: 850mAh 23. Charging port: 2-pin magnetic charging cable 24. Dial: Dial Market, Custom Dials; 4+1 built-in dials 25. Health: 247 sleep monitoring, heart rate measurement, blood oxygen saturation measurement, breathing exercises, sedentary reminders, menstrual cycle tracking (for women), etc. 26. Sports: Daily activity tracking (recording steps, calories, distance), exercise goal reminders, over 100 exercise modes, 27. Convenient features: LED torch, compass, weather check, alarm clock, wrist-flip wake-up, music control, music playback, remote control Camera, stopwatch, timer, find my phone, find my watch, Do Not Disturb mode, 28. Correspondence: Bluetooth calling, call history, incoming call alerts, call rejection, SMS notifications, app message push notifications Other features: Firmware upgrade 29. APP: GloryFit 30. Application Language: Danish, Ukrainian, Urdu, Russian, Bulgarian, Croatian, Hungarian, Bokm?l Norwegian, Indonesian, Turkish, Bengali, Hebrew, Greek, German, Italian, Czech, Slovak, Slovenian, Japanese, French, Polish, Persian, Thai, Simplified Chinese, Traditional Chinese, Romanian, Finnish, English, Dutch, Filipino, Portuguese, Spanish, Vietnamese,