Orbit Optical Trackball Mouse, Usb 2.0, Left-right Hand Use, Black-silver

If you're looking for a simple way to transition from a mouse to a trackball, trust the Orbit® Optical Trackball. It offers better ergonomics, with less wrist and hand movement to ease repetitive-stress injuries. Optical tracking technology delivers precise cursor control and the two-button design provides a familiar experience for mouse converts.  Global Product Type: Mice-Wired Connector/Port/Interface: USB 2.0 Left/Right Hand Use: Left/Right Mouse Technology: Optical Wired/Wireless: Wired Cable Length: 6 ft Color(s): Black/Silver Operating System Compatibility: Chrome OS™ 44 and Later Operating System Compatibility: Mac® OS X 10.8-10.13 Operating System Compatibility: Windows® XP, Vista™, 7, 8, 10 Low Battery Indicator Light: No Batteries Required: No Batteries Included: No Buttons: 2 Size: 5w x 5.5d x 1.75h Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0% Ship Class Code: J"