[Plug & Play Presentation Clicker]: Presenter remote supports functions: hyperlink, volume control, switch , full/black screen, page up/down; Clicker remote is plug and play, no software to install, super easy to use . [Bright Red Light & Long Control Range]: Powerpoint remote is with bright red light that is easy to see against most backgrounds; Supported control range is long enough to freely move around the rooms [WIDELY APPLICABLE] Presentation clicker supported systems: 2003/ XP/ Vista/ 7/ 8/ 10, OS, Linux, Android; Wireless presenter remote supported software: PowerPoint, Slides, Keynote, Prezi, PDF, MS Word, ACD See etc Model Number:2.4G Wireless PowerPoint Pen Wireless Communication:RF Use:Computer,Universal The product appearance and printed words depending on the batch, but this does not affect use Colour:Black Material:plastic Package Contents: 1 x remote control pen 1 x charging cable 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.