Kensington - Pro Fit K75520WW 6 Buttons 1 x Wheel USB RF Wireless Ergo Vertical Mouse - Wireless - Gray

Tackle complex tasks or browse documents effortlessly with this Orbit wireless mobile trackball. An ergonomic setup and ambidextrous design allow for comfortable use, while the touch operation provides accurate, efficient scrolling. Customize the two buttons using free downloadable software for even greater ease of operation. A wireless USB nano receiver makes it easy to connect this Orbit wireless mobile trackball to a PC or Mac device.

Wireless, Powered by AAA battery (not provided), plug and play, easy to install. Simple to use with either the left or right hand or cradled between the both Press for laser pointer appearance for presentation. Off table and without limits of operational space. Your thumb can easily manage the scrolling function. USB 2.0 interface, plug and play, no software required. Handheld trackball mouse wireless, which can avoid any harm on your wrist and muscle, greatly reducing the chances for Arthritis and CTS suffers. Perfect for both desktops and laptops. Put your thumb on the roller ball and the tip of your index or middle finger on the trigger.

Kensington Pro Fit TB550 Mouse - Optical - Wireless - Bluetooth - 2.40 GHz - Rechargeable - 1600 dpi - Trackball, Scroll Wheel - 7 Programmable Button(s) - 1 Each