If you’ve ever thought that you’re MP3 player was a little dull, a little lifeless, Sony believe they have the answer. They’re currently launching an MP3 player lovingly titled ‘Rolly’, which according to Sony actually ‘dances’ to your music.

Obviously this isn’t really practical if you’re looking to use your MP3 player while jogging, or in the gym. No, Rolly is pretty much only useful when you place it on a table top. Hardly music on the go with Rolly.

Rolly was unveiled at this year’s CES show, and perhaps would have drawn some interest if it weren’t for the proposed $400 ticket price it will have in America.

So what makes this MP3 player worth $400? Well, it will have a 2GB flash memory, but only 1GB of that can actually be used for music. The other half of the memory has to be kept back to be used for the software to power the whole dancing thing.

Something of waste perhaps.

Rolly does come equipped with some music however, so at least you’re getting a little extra for your cash. Together with the music, Rolly also has some pre choreographed dance moves to match the tracks, which includes Richard Strauss, Avril Lavigne and Earth, Wind and Fire.

The battery life is just 5 hours, but it does move about quite a bit and blasts out the music through its own speakers.

Rolly is a bit of a gimmick, but one that might entertain you for a few hours. Expect him to get a UK release sometime soon.