Foldable, twistable, and flexible, the BOOM Swimmer Jr. is the elite gymnast of Bluetooth speakers. The Swimmer Jr. includes everything you love about the original Swimmer speaker, only smaller in size and price. Featuring a detachable tail that loops and twists for multiple mounting options, the Swimmer can wirelessly stream your favorite tunes wherever you are. The BOOM Swimmer Bluetooth Speaker is also 100% waterproof! Take it to the beach or pool, attach it to your shower rod, or mount it on your bike's handlebars without worrying about water damage. A powerful lithium ion battery provides up to eight hours of play time between charges, and a micro-USB cable is included for charging.