Type: Active Noise Cancellation Bluetooth Headphone
Speaker Unit: Φ40mm
Magnet: Neodymium
Sensitivity: 110+/-3dB
Impedance:32 ohms+/-10%
Frequency range:20~20KHz
Active cancellation: 20~25dB
Power: 3.7V 450mah
Blue-tooth version:QCC3003 V5.0
Operation distance:10m
Continuous working time:12 hours
