Bluetooth:V5.0

Speaker Unit: Φ40mm

Sensitivity: 105dB                               

SNR:90db

Impedance:32 ohms

Frequency range:20~20KHz

Active cancellation: 20dB 

Power: 3.7V                                         

Battery:600mAh                            

Charging Time:1.5 Hours

operation distance:10m

Playing time:6-8 hours