Get the party started with the Altec Lansing RockBox XL. This powerhouse speaker will blow you away with its crystal clear, bass pumping sound and impressive 20-hour battery life! This certified party speaker is guaranteed to get anyone off their feet and up on the dance floor. With 5 different LED illuminated modes, this speaker will keep the party going throughout the night. House Party Pairing will allow you to connect multiple House Party enabled speakers to keep the music playing throughout every room of the house. This powerhouse speaker is certified IP67 Waterproof rating and can even float in the water to keep the music playing no matter where the party takes you. Waterproof & Floatable Certified IP67 Waterproof Rating ensures that your RockBox XL will stay protected against all the elements. This powerhouse speaker will float in the water, keeping the music playing during the wildest pool parties! Let your music strobe to the beat Built-in LED strobe lights dance around to the beat of your music catching the eye of everyone at the party! Customize the color to match your favorite tunes and switch between 7 different lighting mode options Keep the music playing up to 20 hours Listen along to your favorite tunes for up to 20 hours. Need a boost on your Bluetooth device, built-in USB charging port ensure that your devices will stay powered up! Rock out to your favorite tunes! Blasting out 50 Watts RMS of sound, the RockBox XL will blow you away. Dual 3.5" Ferrite Woofers, 30mm x 2 Mylar Tweeter, and dual 160mm x 83mm Passive Radiators Amplify your Sound House Party Pairing allows you to link up to 50 additional house party enabled speakers to increase the sound. Just Listen App Download the Just Listen App to fully customize your RockBox XL. Control your lighting modes, set EQ preferences, and discovery all the Altec Lansing has to offer!