1) Unique design: Wirelessly combines digital music MP3 player and polarized lens
2) Polarized lens: blocks 100% of all UVA, UVB, UVC and harmful blue light
3) Wear glasses with the lenses flipped open when it is dark
4) Supports MP3, WMA and WAV format
5) Memory capacity: 128-1GB
6) USB2.0, backward compatible with USB1.1
7) Signal-to-noise ratio: 87.2dB
8) Playback modes: random play
9) Earphones response bandwidth: 20 - 20,000Hz
10) Earphone adjustment: can adjust the earphone extenders to fit users' ears,
turned up and down-270 degrees rotation
11) Built-in lithium-ion polymer battery: 3.7V, 150mAh, up to 4.5 hours continuous
12) Lightweight frame material offers all-day comfort
13) Colors: black, brown and yellow, green and black, red and black
14) Weight: 55g
Bluetooth technology (optional):
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