1.Scientific ergonomic design; Plug and Play wireless receiver; Wireless technology: 2.4 GHz.
2.A bright red laser pointer that is easy to see in most backgrounds, highlighting key areas of the slide.
3.Sliding click to support hyperlinks, volume control; it also combines more page features, page drop-down, slide show, black screen for PowerPoint presentations.
4.Support options: support MS Word, Excel, PowerPoint, ACD view, website, iWork (keynotes and numbers and pages), etc.
