A one-of-a-kind portable audio system that combines Bluetooth, lithium-ion battery and waterproof technology all to keep your tunes flowing no matter where you are. The resulting floatable speaker is shock-resistant with a full-range, wireless system. Do everything from stream your music from your Bluetooth-enabled smartphone or audio device to answer your incoming calls over the built-in speaker phone. An auxilliary-in jack on the back of the unit also provides you with the option to directly connect an external audio device with a 3.5mm connection, especially helpful for non-Bluetooth-enabled devices. The tough polycarbonate shell, rubber overmolds, stainless steel speaker cover and integrated rechargeable lithium-ion battery make it perfect for outdoor use. Average charging time is two hours for a full charge; average battery play time is 10 hours. Includes: speaker system, USB cord, USB-to-AC power adapter and carabiner clip. 9L x 2.8W x 4H. Wt:1.5 lbs. Colors: Black, Orange. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.