CLEARLY SUPERIOR TECHNOLOGIES CST CST1150 Beige USB / PS/2 Trackball Mouse £96.99 - PicClick UK
CST2545-5W-GL-RC Backlit Laser Trackball by Clearly Superior Technologies in USA: Amazon.co.uk: Computers & Accessories
CLEARLY SUPERIOR TECHNOLOGIES PC-TRAC MOUSE HOW TO USE MANUAL | ManualsLib
Trackball Mouse - My full review of the Clearly Superior Technologies, Inc. CST2545-5W GL L-Trac Trackball (with blue glow ball!) is now online at http://www.trackballmouse.org/cst2545-5w-gl-l-trac-glow-laser-trackball/ | Facebook