From the backyard to the bleachers, the BRV-XXL is the biggest, baddest, loudest Bluetooth speaker made for the outdoors. A necessity for big tailgates and home entertaining alike, the XXL is packed with quadruple audio drivers that push big sound out of both sides of its cabinet. A whopping 15,600mAh built-in battery is powerful enough to charge smartphones and offers up to 14 hours of uninterrupted playtime. The BRV-XXL can hold its own against accidental falls, sand, dirt and dust, with an IPX5 waterproof rating to keep the party going, rain or shine. Customize the sound of your music with adjustable EQ settings, including bass and treble treatments, or host your party to the fullest with the BRV-XXL's built-in microphone jack.