Subwoofer Bluetooth speaker

Connection method: Bluetooth connection
Interface type: USB
Battery capacity: 2000mah
Frequency response range: 60Hz-15KHz
Output power: 10W
Signal to noise ratio: ≥75dB
Power supply: built-in lithium battery
Channel: 2
Playing time: 8 hours
Extended storage: 32GB
Bluetooth protocol: 5.0
Number of speakers: 2
Effective distance: 10 meters
Function: card, voice prompt, call function, audio function
Mode of operation: Button
Play format: MP3, WAV
Shell material: plastic
Supported format: U disk
Speaker adjustment method: Button
Cabinet material :ABS