Headphones Edifier W820BT W

DRIVER UNIT:40 mm NdFeB drivers
BLUETOOTH VERSION:Bluetooth V4.1
SUPPORTED PROFILES:HFP, HSP, A2DP, AVRCP
FREQUENCY RESPONSE:20 – 20,000 Hz
IMPEDANCE:32Ω
SOUND PRESSURE LEVEL:100 dB
Length (cm): 19.3
Width (cm): 8.5
Height (cm): 23.5
Net Weight (kg): 0.50
Gross Weight (kg): 11.20
Pieces per box: 20