sunglass Camera+Video+MP3+Bluetooth+FM 1.Built-in 2GB-8GB 2.MP3, WMA, WMV, ASF, WAV and other music formats. 3.USB ... 2.0 sunglass Camera+Video+MP3+Bluetooth+FM 5 IN Camera +video +MP3+Bluetooth Sunglass 1)Support several audio formats: MP3, WMA, WMV, ASF, WAV ... >700kbs, write>500kbs USB 2.0 Power supply Embedded 420mAh Li-polymer Battery Power duration 4-5 hours Power Adapter 5V DC ...