JBL knows that music makes the party, and with the Xtreme 3 portable Bluetooth speaker effortlessly delivering massive JBL Original Pro Sound, you can take the party anywhere. With four drivers and two pumping JBL Bass Radiators, the powerful sound draws everybody in, and with PartyBoost, you can connect multiple JBL PartyBoost-enabled speakers to take things to the next level. A little rain might spoil your fun, but the waterproof and dustproof Xtreme 3 won’t mind at all. The convenient carrying strap with built-in bottle opener makes it a breeze to move the party indoors.