The Pulse 4 is a speaker that is sure to keep the party alive. With 12 hours of playtime, a 360-degree changing color scheme, and a IPX7 water-proof rating – this speaker will be a hit no matter where it's playing. The speaker connects to JBL’s app allowing it to change colors and further personalize the speaker. The Pulse 4 is also able to pair to another JBL PartyBoost compatible speaker for an even louder party.