Waterproof Portable Bluetooth Speaker

Connection method: Bluetooth connection
Battery capacity: 1200MAH
Output power: 5W
Power supply: built-in lithium battery
Playing time: 4 hours
Bluetooth protocol: 5.0
Effective distance: 10 meters
Shell material: plastic
Box material: plastic
Appearance size: length 160mm * width 160mm * height 32mm
Packing list: a charging cable, a manual

Power supply method: USB