Subwoofer Bluetooth Speaker

Battery capacity: 1500mah
Frequency response range: 100HZ-20KHZ
Output power: 5W*3
Signal to noise ratio: ≥75dB
Power supply: built-in lithium battery
Playing time: 6 hours
Extended storage: 32GB
Bluetooth protocol: 4.0
Number of speakers: 2
Effective distance: 10 meters
Shell material: plastic