Oksandong 816-8
Presenmarker Technique for marking on screen the first time in world to have developed a laser pointer. Marking feature variety of presenmarker Hold down pointer (1) underline, circle, freehand PT can be marked. (2) you freely change line color or thickness, ...
Laser Pointer Wireless Mouse,Smart Beam Projector,PPT Marking Solutions,Easy OCW production,PresenMarker