1)Sunglasses with polarize lens and digital music MP3 player and digital voice recorder.
2)The lenses block 100% of all UVA, UVB, UVC and other harmful light.
3)The earphone can be moved 270 degrees rotation and without wire.
4)USB flash disk without driver.
5)Memory capacity: 128 / 256/ 512MB & 1GB
6)Support MP3, WMA and WAV formats.
7)Recording and playback recording
8)Built-in rechargeable lithium battery.
9)Playing time: over 8 hours (continuously)
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