Expert Mouse Trackball with Diamondeye Optical Tracking

Expert Mouse Trackball with Diamondeye Optical Tracking This premium trackball mouse employs Diamond Eye® optical technology for smooth, precise cursor movement. Its large ball gives you maximum precision and control while tracking. The comfortable, ergonomic design includes a detachable wrist rest that cradles hand in comfort. Award-winning Scroll Ring® allows precise fingertip scrolling. Designed to maximize your productivity. Mouse Technology: Trackball; Connector/Port: USB; Left/Right Hand Use: Left; Buttons: NA.