Tech Specs

• Manufacturer: Kensington

• Brand: Kensington

• Product Line: Kensington Expert Mouse

• Packaged Quantity: 1

• Product Type: Trackball

• Connectivity Technology: Wired

• Interface: USB

• Movement Detection Technology: Optical

• Interface Required
  Interfaces: 1 x USB - 4 pin USB Type A

• Type: Drivers & Utilities

• Form Factor: None

• System Requirements
  OS Required: Apple MacOS X 10.0 or later, Microsoft Windows 98 or later

• Included Pointing Device Accessories: Wrist rest

• Microsoft Certification: Compatible with Windows 7

Features:

• Dimensions: 6″ W x 7.4″ L x 3.7" H

• Scroll ring

• Large track ball with 4 programmable buttons

• Detachable wrist rest cradles hand