1. Material: metal body + silicone
2. Display: 1.69-inch TFT screen, 240x280 resolution
3. Battery: 220mAh
4. Battery life: about 7 days in daily use mode (24 hours when the heart rate function is turned on), 20 days in basic use mode
5. Bluetooth: Bluetooth 5.1
6. Sensors: heart rate sensor, motion sensor, blood oxygen sensor
7. Waterproof: IP68
8. Synchronized data platform: Haylou Fun
9. Supported devices: Android 6.0 or iOS 11.0 and above
10. Main functions: 12 sports modes, real-time heart rate monitoring, blood oxygen monitoring, sleep monitoring, message reminder
11. Sports mode: outdoor running, indoor running, fast walking, cycling, rock climbing, spinning, yoga, free training, rowing, gymnastics, basketball, football
12. More practical functions: alarm clock, stopwatch, countdown, weather notification, music control, find phone, etc.
13. Dimensions: 45.1x36.5x11.5mm
14. Strap width: 22mm
15. Weight: 50g (including strap)
16. Language support: Chinese and English
