Off table and without limitation of operational space,4D page scrolling function can be controlled simply by your thumb
USB 2.0 interface, plug and play, no software required
Suitable for Tablet PC & Laptop & Desktop computer
Features 3-button design with trackball, Easy to use - left or right hand, or cradled between both
It can greatly ease the harm of palm joint or muscle for long time using mouse

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.3 inch
Height : 2.6 inch
Length : 5.5 inch

Item Weight: 3.52 ounce (View shipping rates and policies)
Shipping Weight: 4 ounce (View shipping rates and policies)

ASIN : B00X3LEJBE