Ergo Touchpad Buttons ETP001BTP works on all computers Apple, PC, linux and some tablets USB wired, Plug-n-Play, just plug it in and get basic mouse functions and glide extend for unlimited drag-n-drop. For PC download free easy to use software for Multi touch gestures, programmable options and more. Two finger right tap, allows you to program the upper right tap zone to middle click or 42 other functions. Capacitive touch sensing means there is no pressure needed just a feather lite touch, move the cursor with ease, no clicking or pressing a button just a lite tap on the surface for left/right click. All the same functions as our standard sized pads but with left and right tap buttons enclosed in a plastic housing.