Listen to music when swimming is one thing that I could even imagine it did not, but there are probably people who use this. Sony has equipment that is appropriate for quite a while in the offer and has now released an update of the series at the start. The NWD-W273 look at first glance like regular headphones, which here also a MP3 player is built. It can play MP3 and WMA addition, ATRAC, Linear PCM and AAC-LC files and weighs only 29g comfortable.
In the market of electronic devices periodically appear unusual gadgets. In particular, manufacturers of electronics all the time trying to cross sunglasses with something useful and interesting. Even notorious, Motorola conducted similar experiments. Remember O ROKR? Sunglasses with Bluetooth-headset. And the numerous glasses with MP3-player and not talking.