• Ergonomic vertical design to reduce wrist discomfort from the use of a traditional mouse

• 2.4G wireless connection, free you from messy wire

• 800/1200/1600 switchable DPI resolution for smooth and precise tracking on a wide range of surfaces

• With built-in 500mAh rechargeable battery

• Fit hand very well and great grip position

• Nice rubbery matte finish prevents hand from slipping

Specification:

• Connection: 2.4G wireless

• Mouse DPI: 800/1200/1600

• Tracking method: Optical

• Button: 6

• Button lifetime: 8 million times
  

• Power supply: 500mAh rechargeable battery

• Size: 115 x 58 x 87mm
  

• System requirements: Windows 2000, Me, XP, Vista, Win 7, Linux, and Mac or higher