I'm guessing the premise behind these wireless MP3 sunglasses is to offer convenience and style (???) together in one bundle. Convenience, I guess so (if you've always wanted a pair of glasses attached to headphones). Style, hell no! They look like they'll fit right in at the Tour de France and seem better suited to sports enthusiasts and men who wear shorts when they really shouldn't.
It's a good concept, in that they offer a way to listen to music without those pesky wires getting in the way. They'll give you 1GB of memory (around 240 songs) and four to five hours playback. I just can't seem to get over the unattractiveness of them.
The lenses are blue tinted and will filter out 100% of harmful UVB and UVA rays, and flip-up should you have desire to look a bit 80s. They're also optically correct for driving. Everything else is built into the frame - two multi-adjustable earphones which move on retractable shafts to fit your ears how you like it. The players controls are situated on the side of the arms (play/off/forward/back/volume up/down), and you're provided with a USB cable to connect to you PC to download your tunes.
Perhaps great for the beach or skiing (I'm trying)? Clearly not a gadget for me though. You get one from iwoot for £49.99
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The one in picture is Oakley thump styled mp3 sunglasses (check http://www.cheaponlineglasses.com/cheaponlineglasses-Player-Sunglasses-cid-50-list.html to compare), cool gadgets for men, you can see its rigid looks. For women, i would recommend Oakley split thump which is quite softer and chic and more importantly its inconspicuous earphones (especiall if you have long hair)