Feature

• 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

Specifications

• 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