Big Keys large trackball from Keyboard Specialists Ltd (KBS) is designed with a 70mm (3 Inch) yellow trackball situated in the middle of the unit with oversized blue left and right-click buttons. Colour differentiation and large design support users with learning difficulties whilst still providing high levels of performance and usability, perfect for those who struggle with the use of a conventional mouse. The Big Keys Large Track Mouse supports two 3.5mm jack ports on either side of the mouse, allowing access for the user to add extra peripherals and adapting the Big Keys trackball for individual use. Important Information: The M-BT Big Track Mouse is now discontinued and has been replaced by the updated M-BT-SW version of this trackball. The Old M-BT trackball is pictured above, please call us on 0203 474 0234 for more information. The Big Keys Mouse Guard for the M-BT does not fit the new version (M-BT-SW) Buddy Buttons shown in the image, not included. Big Keys Keyboards and Accessories from Keyboard Specialists Ltd (KBS) are designed for users with visual impairments or learning difficulties. Big Keys Keyboards can support people who are partially sighted or with cerebral palsy as well as helping with children who are learning to type. Big Keys Keyboards and Accessories are designed with different colours, layouts, and sizes to support all users with functionality and usability of keyboards call 0203 474 0234 for more information.
