Precision and Control - Laser tracking sensor, 40mm ball and DPI switch provide smooth cursor control, optimal precision and easy cursor speed transitions; trackball also features the Kensington scroll ring - Ergonomic Trackball Mouse - Mouse-like design
Kensington. Trackball works software lets you customize the 2 buttons, adjust cursor and scrolling speed - Medium 40 mm ball is designed as a ideal sphere to provide exceptional precision
Optical Tracking Technology - Internal optics precisely track the movements of the grey 40mm ball, providing superior accuracy so you can quickly get your cursor where you want, improving productivity and efficiency - Compact Footprint - Uses far less des
Logitech (5099206025172 / 910-001882) - Batteries included - Bluetooth - Mac operating systems supported - Scroll - Scroll wheel - Wireless Network - Battery: 1 x AA - Interfaces: 1 x USB - 4 pin USB Type A | Product Type
Avoids forearm twisting for comfort and good health - Comfortable and easy to use - Adjustable optical sensor & Pointer speed indicators - Bluetooth connectivity - 6 buttons
Portable 3D mouse Advanced 6 degrees-of-freedom optical sensor2 programmable buttons User adjustable sensitivity Compatible with Windows XP, 2k, Vista, Linux and Mac OSX2 year warranty
Kensington. Wired 180 cm USB cable provides reliability and avoids need for batteries - The detachable wrist rest cradles hand in comfort - Stationary trackball optimises desk space when compared to a mouse
Avoids forearm twisting for comfort and good health*Comfortable and easy to use Adjustable optical sensor & Pointer speed indicators Bluetooth connectivity6 buttons
Logitech (0097855132666 / 910-005177) - Batteries included - Bluetooth - Mac operating systems supported - Quick start guide - Receiver included - Windows operating systems supported - Battery capacity: 500 mAh | Scroll Wheel
Make sure this fits by entering your model number - Make sure this fits by entering your model number - Make sure this fits by entering your model number - Comfortable Thumb Control - Space-Saving Shape - Ergonomic Design