Summary:
- The article is about the Kensington Expert Mouse TB800 EQ Multi-Connection Trackball, which is a computer input device that allows users to control the cursor on a screen using a trackball instead of a traditional mouse.
- The trackball features a large, smooth ball that can be rolled with the palm or fingers to move the cursor, as well as programmable buttons and a scroll wheel for additional control.
- The trackball can connect to computers, laptops, and other devices using multiple connection options, including USB and Bluetooth, making it a versatile input device for various computing environments.