... , lying on a sofa playing computer games.3. The perfect keyboard, touch, laser pointer combinationWhether it is teaching, training, or speech ... the same notebook computer.6. You can teaching, training, lectures: keyboard, mouse, laser pointer in one hand and hand, three-dimensional ... ,windows CE,windows 7Linux(Debian-3.1,Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested)8. Specifications:Operating distance ...