Mini LifeJacket Jolt offers dependable performance and fun features. Water snow dirt and shockproof design. Even floats in water. 5 LED light settings matches your music mode. Just Listen app - control lighting pair in a flash and more. House Party Pairing - connect up to 50 House Part enabled devices. Access voice assistant with Bluetooth on your smartphone. Micro USB port for charging personal devices. Up to 16 hours of battery life.