Waterproof Swimming Bluetooth Speaker

Interface Type USB Battery 

Capacity: 2600mAh 

Frequency Response Range:  115Hz-13KHz

Output power :5W*2 

Power supply mode : battery 

Available Play time: 10 hours 

Bluetooth protocol 4.2 

Speaker number :2 

effective distance: 30m 

Function: anti-drop, waterproof, dustproof