altec lansing imw479 mini lifejacket jolt heavy duty rugged and waterproof ultra portable bluetooth speaker with up to 16 hours of battery life, 100ft wireless range and voice assistant (ryb)The Mini LifeJacket Jolt is the Bluetooth speaker that puts out impressive audio despite it's small size. The durable IP67 waterproof rated design lets you bring your music with you outdoors wherever you go! Connect multiple Mini LifeJacket Jolt speakers together for double the powerful sound. Up to 16 hours of battery plus a built-in smartphone charger let's you stay connected and the music jamming for hours. Ask questions, get answers and organize your day with "Just Ask", a feature that allows you to access your Siri and Hey Google voice assistant. Power on the Go: Built-in USB charging port keep your mobile devices powered up.Hours of Tunes: Up to 16 hours of audio from up to 100 feet away.Just Ask: Voice assistant integration so you can talk to Siri or Google Assistant right through your speaker using the built-in mic.Everything Proof: Waterproof, Dustproof, Sandproof and it floats! Use in the shower, at the beach, poolside, on a boat or in a golf cart.Connect Over Bluetooth in Seconds to: iPhone, iPad, iPod, Mac, Android Smartphones, Tablets, Windows 10