The shape of the mouse is designed to maximize wrist comfort
Thumb scoop helps to maintain the correct ergonomic hand and wrist position
Windows button provides one-touch access to the Start screen
Back button for faster navigation
4-way scroll wheel for navigating up, down, left and right

Technical Details

Size (LWH): 5.4 inches, 5.2 inches, 2.9 inches
Product Details
Product Dimensions: 5.4 x 5.2 x 2.9 inches
Shipping Weight: 0.75 pounds (View shipping rates and policies)
ASIN : B00D68ZVY8