Free replacement and after sale service available, please buy with confidence.
Thumb-controlled trackball, Off-table design for free and comfortable operation.
Dolphin shape design with left/right clickers, fit left and right handed users.
Connects via USB Port,Plug and play, no software required. Compatible system: Windows, Linux,Mac OS.
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 : 3.6 inch
Height : 2.5 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 : B015O8V4IE