Product information:

Interface type: USB
Battery capacity: 2000mah
Frequency response range: 40Hz-20KHz
Output power: 14W
Signal to noise ratio: ≥75dB
Power supply: built-in lithium battery
Playing time: 8 hours
Number of speakers: 2
Effective distance: 15 meters
Box material: plastic

Size Information:
Appearance size: 195*73(diameter)mm

Packing list:

Color box, manual, data cable, audio cable