Bluetooth version: 5.3
Bluetooth effective distance: ≥ 10 meters Operating
frequency: 2.402ghz - 2.485ghz
Horn impedance 320 1 5% frequency response range 20hz - 20KH
Charging interface Type C
Horn sensitivity: 106db 3db
Earphone battery capacity: 25mah* 2
Battery capacity of charging chamber: 180MAH