... Wave 2.protable smart 3.working time over 8000 hours 4.Fixed focus, green dot facula, wireless presenter Product name: wireless ... requested 3.system:windows98/2000/ME/XP/Linux/Mac os 4.it support word excel; PowerPoint, website, ACDsee. Acrobat reader 5 ... used mostly in presentation such as meeting, training, speech, teaching 6.infrared technology Packing gift box/ pc(190*110*35mm)100pcs ...