Waterproof & Shock-Absorbing Design - (IPX5 certified), The M90 Bluetooth Speaker can rock a party out outdoors & indoors - beaches, poolside bashes or impromptu house parties, this rough-and-tough, rugged speaker is all you need to set the ball rolling! Experience Bass Like Never Before - Unlike ordinary Bluetooth speakers, the monster Photive M90 Bluetooth Speaker amplifies higher as well as lower bass frequencies - thanks to the unique combo of powerful stereo sound (20W) & a passive subwoofer! A power-packed bass experience on the go is finally here Bigger, Stronger & Better - 20 Watts Of Power unlike ordinary Bluetooth speakers, the monster Photive M90 Bluetooth Speaker amplifies higher as well as lower bass frequencies - thanks to the unique combo of powerful stereo sound (20W) & a passive subwoofer