TECHNICAL SPECIFICATIONS:

Output power: 40w+2*15w

Wireless speaker

True wireless stereo function

IPX6 waterproof

USB flash disk Micro SD card Aux-in

Bluetooth handsfree function

Power bank function

Built-in rechargeable lithium battery 7.4V/5400mAh, 5 hours playback time at max volume

Playing time: 4-6hrs at middle volume