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
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