QS07 1.75 inch AMOLED Round Screen Smart Watch, Support Health Monitoring Main Functions: All-metal ultra-thin and lightweight body, 3D dynamic dial, Bluetooth calling, blood oxygen, heart rate, mood, stress, sleep monitoring (supports sporadic naps), breathing training, step counting, 150 sports modes, calorie consumption, raise-to-wake screen, alarm clock, incoming calls, SMS, WeChat messages, QQ, stopwatch, music control, remote photography, flashlight, weather, world time, APP exercise track, 30 languages, one-key Bluetooth connection, always-on display. APP Software Functions: Bluetooth calling, exercise monitoring, 24-hour continuous heart rate monitoring, sleep, mood, stress, blood oxygen, weather, music control, find phone, always-on display, stopwatch, voice control, timer, calculator, breathing training, remote photography, womens health, world clock, find phone, flashlight, outdoor running, cycling, jump rope, badminton, table tennis, tennis, mountaineering, walking, basketball, football, baseball, cricket, volleyball, hockey, rugby, dancing, yoga, spinning, sit-ups, indoor running, gymnastics, rowing, jumping jacks, etc. (150 types) Find function, alarm settings, water reminder, do not disturb mode, reminder mode, instant messages from QQ, WeChat, news, Twitter, Facebook, etc. Parameters: 1. Chip: Actions Technology AT3085S 2. APP: GloryfitPro 3. Compatible System: Android 5.0 and above, iOS 9.0 and above, supports Bluetooth 5.0 4. Bluetooth Connection: BT5.3 5. Bluetooth Calling: Supported 6. FLASH Memory: 256MB 7. Screen Type: AMOLED screen 8. Screen Size: 1.75 inches 9. Pixels: 466 x 466 10. Touch Type: Full screen touch 11. Acceleration Sensor: Supported 12. Heart Rate: Vike VC30F 13. Battery Type: Lithium polymer 14. Capacity: 280mAh 15. Working Time: 7 days (normal use) 16. Standby time: 30 days 17. Charging time: Approximately 2 hours 18. Charging method: Magnetic charging cable 19. Waterproof rating: IP68 20. Product material: Aluminum alloy f