... rooms, etc. Features: Support multi-touch by pen, finger, and other opaque object.Faster response and higher resolution ... printed circuit boards, tempered glass, etc. PC connection5m USB cableTouch technologyOptical imaging (no special surface coatings)Touch methodFinger, ... Win8, Vista, Linux, Mac OSBasic functionsClick, double click, mouse function of right key and left key, etc. Package inside1set ...