Wireless bluetooth speaker subwoofer

Description

Type: Bluetooth speaker

Connection method: Bluetooth connection

Battery capacity: 4000

Frequency response range: 60Hz-15KHz

Power supply mode: built-in lithium battery

Channel: 2

Play time: 6 hours

Expansion storage: 32GB

Bluetooth protocol: 4.1

Operation mode: button

Play format: MP3

Shell material: metal

Power supply mode: USB