Sunglass MP3 on good sale
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Unique Design: No wireless, combine the digital music and polarize lens, lens connect with frame by using the rolling axis.
Play music formats:support MP3(up to 320kbps) , WMA(up to 192kbps) and WAV
File transfer speed: up to 1.4MB/S
Earphone adjustment:Adjust the earphone extenders to fit your ear. Note that the earphones pivot in and out , and each earphone is mounted on a telescoping boom for moving forward and back.
Signal to noise ratio:~90dB
Maximum input power rating:5VDC,150mA
Battery capacity:Built_in Lithium lon Polymer/3.7v,150mAh, Up to 6 hours of continuous playtime.
Interface:USB2.0(Backward compatible with USB1.1)