• Sold as 1 Each.
• Wireless connection via Bluetooth 4.0 LE or USB nano receiver.
• TrackballWorksTM software lets you customize all four buttons, adjust cursor speed.
• DiamondEyeTM optical tracking technology for premium cursor control and accuracy.
• Award-winning Scroll Ring lets you scan up and down pages with ease.

The Expert Mouse Wireless Trackball gives you the freedom to be hyper-
productive without being limited by a USB cable. The trackball can be paired
through Bluetooth 4.0 LE to save a valuable USB port, or connected via USB
nano receiver. TrackballWorksTM software offers incredible customization, and
optical tracking technology offers smooth, precise cursor control. Plus, our
award-winning Scroll Ring lets you quickly scan up and down web pages or long
documents. Add it all up and you get exceptional comfort and ease-of-use from
the brand that has set the industry standard in trackballs for more than 20
years. Connector/Port/Interface: USB; Left/Right Hand Use: Left/Right; Mouse
Technology: Optical; Wired/Wireless: Wireless.