[Light Up the Night] - Pulse 4 shines through the night with an amazing, high-resolution 360-degree LED lightshow. [Follow the Beat Everywhere] - Pulse 4 delivers JBL signature sound in every direction with its ingenious 360 degree speaker array. [Dance the Night or Day Away] - Ready to get your groove on? Pulse 4 delivers up to 12 hours of party time on a single charge. [Make a Splash with IPX7 Waterproof Design] - Bring your speakers anywhere. Pool party? Perfect. Sudden cloudburst? Covered. Bash on the Beach? Pulse 4 is IPX7 waterproof up to three-feet deep for fearless outdoor entertainment. [There’s an App for That] - Download the JBL Connect App to rule your party with ease. And visualise your music with a variety of light show themes or even customize your very own. [Crank up the Fun with PartyBoost] - PartyBoost allows you to pair two JBL PartyBoost-compatible speakers together for stereo sound or link multiple JBL PartyBoost-compatible speakers to truly pump up your party. [Shake it to Sync your Light Show] - It couldn’t be easier to connect your LED light show with other nearby Pulse 4’s. Simply hold your speaker nearby and shake it to sync up.