Product information:
Connection mode: Bluetooth connection
Interface type: USB
Frequency response range: 100HZ-20KHZ
Output power: 10W
Signal-to-noise ratio: ≥75dB
Power supply: Built-in lithium battery
Track: Double track
Duration: 12
Number of speakers: 4
Effective distance: 15 meters

Packing list:
Bluetooth speaker*1