Model:SRS-XB41 Get the ultimate three-dimensional music festival experience, wherever you go with the SRS-XB41. Pump up the bass of your favourite anthems, and enhance your party with LIVE SOUND, Party Booster and flashing lights. EXTRA BASS™ sound with LIVE SOUND mode Built-in grip and sound effects with Party Booster. Boost your party with line light, speaker lights and flashing strobe Waterproof and dustproof (IP67 rated) Up to 24 hours of battery life Speaker Type Full range Speaker Size 58mm Battery Life 24hrs(Standard mode / Lighting off) Input and Output Terminals Stereo Mini Jack (IN) ,USB A Terminal(DC OUT only),micro USB(DC IN), DC IN