JBL Partybox 310 - Incredible JBL Sound with a Dazzling Light Show Boasting immense sound, captivating lights, and astonishing power, the JBL PartyBox 310 stands out from the crowd. This portable, splashproof sound system transforms any location into a full-fledged party zone. Whether it's a casual gathering at home or a dance party on the beach, you can turn up your favorite playlists with confidence. With 240 watts of JBL Pro Sound and a synchronized light show that dances to the rhythm, it brings those massive party vibes. Plus, you can plug it in and enjoy non-stop fun throughout the night, or roll it over to the campfire thanks to its impressive 18-hour battery life. Let the party begin with the JBL PartyBox 310!