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.
Expert Mouse Wireless Trackball, 2.4 GHz Frequency/30 ft Wireless Range, Left/Right Hand Use, Black
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