Lavod LFB-601 Waterproof Bike / Bicycle Speakers Soundbag for iPod nano and smaller MP3 / MP4 for $4.99
Runs on 2 x AAA batteries, and can Play for up to 5-6 hours on 2 x AAA batteries
360 degree of all directional bicycle mounting bracket
Water splash proof and dust and anti-shock protection
Speakers positioned to amplify music directly to your ears whilst not compromising road safety.