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:32Ù
SOUND PRESSURE LEVEL:100 dB
WEIGHT:0.26kg