Expert Mouse Wireless Trackball

• Wireless connection via Bluetooth 4.0 LE or USB nano receiver
• TrackballWorks software lets you customize all 4 buttons, adjust cursor speed
• DiamondEye optical tracking technology for premium cursor control and accuracy
• Award-winning Scroll Ring lets you scan up and down pages with ease
• 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
• Compatibility with USB receiver: Windows 10, 8.1, 8, 7 and Mac OS X 10.8 and later
• Compatibility with Bluetooth 4.0 LE: Windows 10, 8.1 and Mac OS X 10.8 and later
• TrackballWorks compatible with Mac only when using 2.4GHz connection