1. Bluetooth version: 5.0
2. Material: ABS
3. Speaker power: 20mW
4. Charging time: 1.5H
5. Talk time: 2H
6. Music time: 3-4H
7. Standby time: 48H
8. Battery capacity: earphone 30mAh, charging compartment: 110mAh
9. USB dustproof and waterproof plug, delivered with ear caps
10. Smart touch, simple and convenient
11. Ergonomics, comfortable to wear
12. Size: 70x40x25mm, weight: 37g