Sensor: Optical,Pixart 3212

DPI: 1000-1600-2400

Buttons: 6

Working voltage/current: 3V/4mA
Button life: 5 million times
Roller life: 1.2 million turn

Interface: Wireless, USB 2.0

Effective distance: 10m

Power: 1x AA battery

OS support: Windows XP or newer

High-profile design with optimum palm support

Enhanced control for palm and claw grip styles

Included USB wireless nano-receiver

Fast Key function: execute double left click with only one key press

Soft-skin coated surface