Kensington Orbit Trackball Wired Ergonomic Mouse TK-564M Key difference between the RollerMouse

Key difference between the RollerMouse Red and RollerMouse Red Plus lies in the palm support

delivering precise and effortless control

Yield: Up to 300 pages per cartridge in accordance with ISO/IEC 24711

HP DeskJet F2180

Keyboard Battery Alkaline battery Keyboard Battery Included 2 AA alkaline batteries Keyboard Battery Life Up to 12 months Mouse Battery Li-ion rechargeable Mouse Battery Included Yes

Kensington Orbit Trackball Wired Ergonomic Mouse TK-564M Key difference between the RollerMouseKensington Orbit Trackball Mouse Effortless control and ergonomic design for all day comfort and precision. The Kensington Orbit Trackball Mouse offers superior ergonomics and control, reducing hand and wrist movement for lasting comfort. The centrally located 40mm blue trackball ensures smooth, accurate cursor control. Its ambidextrous design caters to both left and right handed users, while the scroll ring provides seamless navigation through web