1. Main control chip/memory: JL7012F6 128M

2. Compatible system: Android 4.4 and above, IOS 8.0 and above, support Bluetooth 5.2

3. Display screen: material/size/resolution/control method 2.02-inch TFT curved screen//320*385/full touch + function buttons + encoder

4. Main body material: zinc alloy case + IML process bottom case

5. Strap material: silicone strap

6. Battery material/specification/capacity: polymer lithium ion pure cobalt Seiko/260 mAh

7. Charging method/charging current/charging time: line charging/1A/2H

8. Working time: about 7 days

9. Standby time: about 50 days

10. Waterproof/dustproof level: IP67

11. APP: CO Fit

12. 100PCS/CTN