Sony SRS-XB21 Extra Bass Wireless Bluetooth Speaker - waterproof, rustproof & dustproof - Live Sound mode - Party Booster mode - New Line Lights that flash in sync to beat of music - Party Chain allows connecting up to 100 wireless speakers - battery lasts up to 12 hours New, still in box. Won in the Regina Hospital Lottery from Audio Warehouse (they sell it for $150). Asking $80