Headphones with an integrated MP3 player aren't a new concept by any means, but they've failed to gain much ground in the market. It's a bit of a shame, really, as the all-in-one design allows users to do away with wires.
Perhaps Skullcandy can inspire the market with its affordable Double Agent headphones ($99.95). These heavily stylized cans, which are clearly aimed at active teens and twentysomethings, feature a versatile design that allows the wearer to use them as either an MP3 player/headphone combo or as headphones with a separate audio device. It's definitely a cool concept; we just wish they were a bit more comfortable and dealt with audio files better.