About this item NEW VERSION PRESENTATIONS REMOTE CONTROL:2.4 GHz RF Wireless Technology,Environmentally Friendly ABS Plastics, Upgrade Portable Metal Mini Receiver to Saves Space, Rugged and Durable, Also can More Quickly Identify Computer Systems. Specially Increase LED Button Indicators to Make the Control Easier. POWERFUL RED WIRELESS PRESENTER: Powerpoint / Prezi/ Propresenter and Other Popular Software Function Switch, Simultaneously Press the Up and Down Keys to Switch between Up and Down, Left and Right, PgUp PgDn(Keyboard Key), Also they Have Memory Function, Automatically Switch the Mode You Used Last Time. SUPER BRIGHT OFFICE PRESENTATION REMOTE CONTROLLER TOOLS: 5MW Bright Steady Red Laser pointer presenter is Easy to See on any Presentation Screen(Not Recommended for LED, LCD Screens). Note: PLS Do Not Direct at People or Animals Eye, Please Use it Properly. ONE-piece SCIENTIFIC ERGONOMIC DESIGNUNIVERSAL COMPATIBILITY: Built-in Receiver, not Easy to Lose, USB3.0 Port, just Plug and Play,No Need to Install. This PPT Clicker Supports MS Word, Excel, PowerPoint, Prezi, Propresenter, ACD See, iWork (Keynote Numbers Pages) Google Slide, Compatible with Windows10, Linux, Mac OS, Meet Different Laptops, Ipad, Presentation Electronic Whiteboards, Projectors. Especially for Teachers, Tutors, Lecturers and Speakers, It Helps a lot. PACKAGE INCLUDES: 1x K100B KUIYN Wireless Presenter, 1xUSB Receiver, 1x Instruction Manual.