Following the success of the original eco-friendly wind-up line-up in 2007, the new Trevor Baylis Revolution Media Player has been announced.
The 8GB MP3 player can play back around 45 minutes of music after just one minute of winding, while a full charge, via USB, offers around 50 hours of play back, says the maker.
The 2in screen also enables users to watch video and view photos, while there is also an FM stereo radio and voice recorder.
The pocket-sized gadget is also available as a 4GB model, which can store around 1,000 songs.
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