Gaming mouse

configuration 1:
* Ergonomic design to get comfortable hand feel.
* Pixart 3509 Chipest for fast and precise scanning.
* 7D design, backward and forward for 5/6 key.
* Scroll whell with page up and page down function.
* 3 levels of DPI switch directly on mouse, 800/1200/2000dpi.
* System: Windows 9X/2000/XP/ME/NT4.0/Vista/7/8, MAC OS, etc.
configuration 2:
* Ergonomic design featuring non-slip side grips.
* Avago3050 IC, USB port, Omron wheel.
* 7D design, backward and forward for 5/6 key.
* Scroll whell with page up and page down function.
* 4 levels of adjustable DPI directly on the mouse, 500/1500/2500/5000dpi changeable.
* System: Windows 9X/2000/XP/ME/NT4.0/Vista/7/8, MAC OS, etc.

http://www.moukey.com/porduct/gaming-mouse/gaming-mouse-sc-mg-mg385