Super strong, relentless, and producing compelling audio performance, is the definition of the Altec Lansing flagship product, The Super LifeJacket Bluetooth Speaker. With a rugged aluminum exterior, robust jacket cover and IP68 waterproof, shockproof, snowproof and it FLOATS! Take this speaker on the adventure of a lifetime without worrying about damage! With up to 50 hours plus dual built-in smartphone chargers, never be disconnected with the world. With true wireless stereo plus pairing, pair up to 2 speakers simultaneously for more amplified sound! The Super LifeJacket Bluetooth speaker is your ultimate rugged music companion for wherever life takes you.