1.usb wired
2.1.8m cable. copper.
3.Braiding Wire.(black,red&black or blue&black)
4. Real Magnetic ring avoid Anti interference.
5.Anti interference protecte cable .
6.rubber coating. soft hold.
7.buttons:7D
8. rubber scroll.
9. Avago 3050IC. Huanyu 20 million micro movements, With RGB lighting with marco definition programmable software. .
10. with/ without or customized logo. marking laser
11. Equipped with 20g weighting block, the feel is more stable;
12. support system:OS: Windows ME, 2000, XP,Vista, 7, 8, Macintosh OSX-later