1. Material: PC+ABS+PU+TPU
2. Battery capacity: 280mAh
3. Working voltage: 3.3V
4. Lightweight and portable, magnetic detachable structure
5. Scissor button, mute and sensitive
6. Bluetooth 5.0 stable transmission, up to 10 meters
7. Long battery life, standby time up to 100 days
8. Intelligent induction, automatic sleep / wake up
