Goal Zero Rock-Out Speakers with Rechargeable Battery

Hit the trails, boulder or water and share hours of high quality sound with fellow trekkers. The Rock-Out pumps sound from your iPod, mp3, mp4 and other audio devices through its integrated speakers. Simply plug the Rock-Out into the headphone or audio jack of your device and hit play. Its rugged and portable design will keep the tunes going whether mounted to a bike stem, backpack or climbing harness.