The VP20M is a full-featured visual presenter and a perfect choice for teachers and professionals on-the-go with a budget conscious mind. Display 2D and 3D objects on any projector screen, TV or computer monitor so your whole audience can see what you're talking about. The The VP20M is mounted on a flexible gooseneck mount for maximum versatility, and uses a built-in microphone that when hooked up to a multi-media projector with speakers, will project enough sound for small groups of people. The VP20M Visual Presenter is PC compatible only and will not work with Macs.