Kensington Orbit Elite Trackball Mouse Stylish symmetric trackball, easy for finger tip control. The stylish shape of the Kensington Orbit Elite is designed to assist the natural easy movement of the hand, wrist and fingers. The symmetric design is ideal for left or right handed users. The Kensington Orbit Elite features a medium-sized silver ball that is operated by the finger tips, and two programmable buttons. You can choose what each button will do; carry out a function or even pull down a personalised menu. By reducing the number of clicks you have to make you are less likely to develop RSI. Similalry if you already have RSI, the customisable settings of this mouse will enable you to better manage your injury. Features All-day comfort from a world leader in trackball innovation Uses far less desk space than a mouse Optical technology delivers superior precision - no cleaning required Ambidextrous design for left or right-handed users USB and PS/2 connectivity for greater compatibility Specifications Compatible with Windows®7, Windows® XP, Windows Vista®, and Mac OS® X Optical sensor USB or PS/2 connectivity PC and Mac® compatible Cord length: 6 feet Dimensions 5.5"L X 1.75"H X 5.0"W Price: £44.00 (Excluding VAT at 20%) Quantity: