1 Appearance design headband2 Type ear cup earmuff type 3 Features adjustable headband built in microphone extra bass high definition voice noise elimination noise isolation stereo4 Material ABS PU5 Headphone specification 180 186 86mm net weight 168g6 Bluetooth version Bluetooth 5 37 Transmission distance 10 meters 33 feet 8 Bluetooth protocol HFP HSP A2DPIAVRCP9 Battery capacity 300mAh10 Charging time 1 2H11 Working time 8 20 hours12 Speaker 40mm 2 pcs13 Microphone omnidirectional14 Microphone type built in
