Full-size, sculpted design: Cradles your hand comfortably, hour after hour
Windows 8 edge menu button: One-click access to apps, search, settings & more
Thumb buttons: Easy-switching between the traditional Desktop and Windows 8 Start screen
Hyper-fast scroll wheel: Two ways to scroll free-spinning or click-to-click
Unifying receiver: Practically disappears in a USB port and connects multiple compatible wireless devices

Technical Details

Size (LWH): 8 inches, 5.7 inches, 2.6 inches
Product Details
Product Dimensions: 8 x 5.7 x 2.6 inches
Shipping Weight: 0.3 pounds (View shipping rates and policies)
ASIN : B00DR8LB4Q