Aigo made an impression at CES but they would have positively killed if they had introduced their new iSonic sunglasses MP3 combo. The iSonic does not compromise on the quality of the sunglass. the lens are swappable and the frame is a durable nylon fiber that is also comfortable to wear. One possible problem for the iSonic is the 230mAh/3.7V rechargeable Li-Ion battery, which gives it up to 8.5 hours of MP3 playback. As far as we know, Li-Ion overheating is a rare occurrence but would you really put these batteries so close to your brain? As far as the iSonic, I could totally envision playing beach volleybal with a pair of these and playing the Top Gun soundtrack on the built-in MP3 player.

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