1. Charging time: about 1 hour
2. Battery capacity: 90mah
3. Usage time: about10 hours
4. Range frequency range: 2.4g
5. Method of connection method: automatic plug and play pairing
6. high performance 2.4GHz chip wireless transmission, stable connection
7. intelligent noise reduction, built-in noise reduction chip, with AI noise reduction algorithm, strong anti-interference ability
