?METAL BUTTON FOR SMOOTHLY MOVING?To better moving on the surface,it designs a metal bottom and flashing silver plating on both sides of mouse,hold your hand for comfortable feeling for long time. ?DESIGN FOR GAMEING & WORK? WIth 800 / 1200 / 1600 /2400 ,4DPI Level with classical optical Tracking technology for better gaming and working free. ?ERGONOMIC DIMENSIONS?According to the ergonomic design,the mouse length is 125MM,which is nearest the most suitable size for everyone,with four colors breathing lights for better gaming at night.(Notice:the light can’t be turn off) ?EASY TO USE? Support USB: 1.0/2.0/3.0 port.Plug and play?6 buttons with 1 flashing metal scroll wheel for fast click and Shooting Gaming. ?COMPATIBILITY? Support Windows XP, Vista, Windows 7, Windows 8. Notebook, PC, laptop, Computer, Macbook and so on.