1. Main control chip/memory: RTL8763EWE

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 1.96 square screen/full touch mold/320*386/touch + function keys + encoder

4. Main body material: powder metallurgy integrated molding, environmentally friendly scalpel-grade steel + plastic bottom shell

5. Strap material: silicone strap

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

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

8. Working time: about 15 days

9. Standby time: about 75 days

10. Waterproof/dustproof level: IP68 (measured 25 meters)

11. APP: Da Fit

12. 100PCS/CTN