(BLACK) KAKU KSC-448 HEAD -MOUNTED WIRELESS BLUETOOTH HEADPHONE - Green

Brand: Kaku
Bluetooth: V5.0
Battery: 200 mAh
Bluetooth range: 10 meters
Audio listening time: about 6h
Standby time: about 120h
Charging time: 1 h
Frequency: 20-20000 Hz
Color: green