Connection method: Bluetooth connection, TF card, AXU
Interface type: USB
Battery capacity: 3600mah
Frequency response range: F0Hz~18KHz
Output power: 20W
Signal to noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Playing time: 12h
Charging time:3h
Effective distance: 18 meters
Operation mode: button