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