SOL REPUBLIC Punk Wireless Portable Bluetooth Speaker &ndash; Water & Sand Resistant, 60ft Range, Quick Bluetooth Pair, Ultra Portable, Aux In, Aux Out, Camera/Bike Mount, SOL-P1510BK Black Delivers the powerful, fearless sound you need to make your music heard Water, dust and shock resistant 8-hour battery life Plays music wirelessly up to 60 feet away Attach to bike or camera mount with the 1/4-inch threaded mount