1. Main control chip/memory: Realtek RTL8763EWE 128M

2. Compatible system: Android 5.0 and above, IOS 10.0 and above, support Bluetooth 5.0

3. Display screen: material/size/resolution/control method 1.45-inch full circle/full touch mode/360*360/touch + dual function buttons + encoder

4. Main body material: high aluminum alloy aviation aluminum metal case + plastic bottom case

5. Strap material: silicone strap

6. Battery material/specification/capacity: polymer lithium ion/650 mAh

7. Charging method/charging current/charging time: 2-band magnetic suction/1A/2H

8. Working time: about 15 days

9. Standby time: about 75 days

10. Waterproof/dustproof level: IP68 over 15M waterproof

11. APP: fitcloudpro

12. 100PCS/CTN