If you are the sort of person who is into skateboarding and biking and you want to listen to music on the go, then check out the SkullyBoom SB1 Speaker.
The SkullyBoom SB1 Speaker is based on the DIY toy the Skully, it is a wearable speaker that is designed to be tough and withstand knocks and bumps.
It can be charged via USB and has a built in Lithium-Ion battery which will give you up to 6 hours of music playback.
The SkullyBoom SB1 Speaker will go on sale in June 2010 for around $60, but you can pre-order one now and it willonly cost you $30 when it is released.
Product Page via Crunch Gear, Coolest Gadgets