1. Material: ABS+Silicone+TPE
2. Talking distance: about 10m without obstacles, about 5m with obstacles
3. Battery capacity: 110mAh
4. Standby time: about 220h
5. Charging time: about 2h
6. Talk time: about 8h
7. Bluetooth version: V5.0
8. Ergonomic design, comfortable to wear
9. Dual mode use, bluetooth/plug-in card
10. No fear of sweat, prevent rain and sweat splashes