The JBL Partybox 310 has a huge sound, dazzling lights and unbelievable power Easily transportable on wheels, this splashproof sound machine is like no other. Bring big party vibes with 240 watts of JBL Pro Sound and a synced light show that grooves to the beat. Simply connect your Bluetooth device and place it in the holder for easy access to your playlist. impressive 18-hour battery life when fully charged or just plug it in for non-stop play. Start a party with the JBL PartyBox today.