This clicker is about the size of a pen, comes with a usb charging cable, and doesn't require a driver so you can just plug it into your USB port and go! Plus, PPT Clicker One-piece magnetic usb storage, not easy to lose usb Soft and large rubber buttons, no noisy button pressing Comfortable grip allows you attach it to book/pocket, keep your Presentation Clicker pointer! Bumped-buttons design for operating without looking down at it.