The vertical design encourages a neutral ergonomic alignment to protect against upper limb disorders
Central *bow-tie* switch allows for easy transition between right and left handed use
Performance laser tracking and 4 DPI pointer speeds
Plug & Play for Windows or Mac plus antimicrobial protection
For correct size measure from the bottom of the palm to the tip of the middle finger. 0-6* = Small, 6-7* = Medium, 7+* = Large

Technical Details

Size (LWH): 8.3 inches, 5.4 inches, 4.3 inches
Product Details
Product Dimensions: 8.3 x 5.4 x 4.3 inches
Shipping Weight: 1 pounds (View shipping rates and policies)
ASIN : B00AT483VA