The Altec Lansing iMW457 Jacket H2O Bluetooth Wireless Speaker features an compact design, voice confirmation and an onboard microphone for clear, hands-free communication. The Jacket H2O is IP67 Waterproof/Dustproof/Shockproof rated and it FLOATS With 8 hours of battery life and an Aux In port the Jacket H2O is the perfect compact music companion for wherever you want to go.