MicVista MicV01 Wireless presenter remote PPT clicker for school or office using like meeting, report, lecture and presentation Environmentally friendly ABS plastics; Scientific ergonomic design; A plug-and-play wireless receiver; 2 x AAA Battery Not Included; Buttons: laser pointer, page up, page down, launch slide show, black screen A bright red laser pointer that's easy to see against most backgrounds, highlight key areas of your slides Support options: Supports MS Word, Excel, PowerPoint, ACD See, website, iWork (Keynote & Numbers & Pages) etc; For MacBook on OS, plug the usb receiver into laptop, it will come out a box, and then you can select 101or104 option High sensitivity, low power consumption, refused to garbled string code, not remote control and other embarrassing scenes, easy to master the audience The perfect product size makes it possible to operate all the features of the product in the demo simply by moving the thumb, thereby reducing the fatigue caused by the key in the presentation