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