Expert Mouse Wireless Trackball, 2.4 Ghz Frequency/30 Ft Wireless Range, Left/right Hand Use, Black Wireless connection via Bluetooth® 4.0 LE or USB nano receiver. TrackballWorks™ software lets you customize all four buttons, adjust cursor speed. DiamondEye™ optical tracking technology for premium cursor control and accuracy. Scroll Ring allows precise fingertip scrolling. Large ball is designed as a perfect sphere to provide exceptional precision. Detachable wrist rest supports hand and wrist for ergonomic comfort. Ambidextrous design works equally well for both right-handed and left-handed users. Auto-sleep helps conserve AA battery life.Our Price Buys you: 1
