* Support several audio formats, e.g. wmv, mp3, wma, and other music formats. 
* POLAROLD polariscope from US.
* Compact and fashionable appearance, unique design, personality showing, it is not only high-grade sunglasses, but also top-grade MP3.* 1.3 Mega Pixel mini spycamera equipped.
* Use high-grade sunglasses as its main frame, suitable for outdoor wearing when touring. Tenacious and strong glass frames, anti-shock and anti-break, no worry needed about strenuous exercise.
* One unique miniature port for both USB and charging, minimizing its volume greatly.
* Playing time: 6 hours, charging time: 3 hour