N200 wireless Vertical Ergonomical mouse；

*Precision Grip, Balance Grip, Ergo-Grip

*2.4 GHz Wireless Mouse

*DPI switch : 1000, 1500, 2000

*Colour: black/ silver color

*on/off  button

*battery : 1*AA

* 10±2 m receiverd distance

*Compatibility: PC:Windows 7/Vista/2000/XP ,Mac,Linux

Medium Size:8.4*15.8*5.4cm

*Ergonomic mouse