1) Supports playing MP3, WMA music format

2) With Mini USB plug, directly connected to computer by USB cable

3) Built-in lithium ion polymer battery, can work continuously for 6 hours

4) Wireless design of the earphone, can adjust the length and revolve the angle by the folding pole

5) Polarized lensess of American, the best lens of the world, can cover 99% ultraviolet radiation and block off strong light, avoid the reflected glare and scatter light, make the lens clear, soft without aberrance, and solve the problem which fazes people for a long time.

6) No drive needs above the Win98 system.

7) Many kinds of colors are available, the color can also be made according to the client's request.