You can say that a device like the iPhone has more than its fair share of accessories over the years, and this trend does not seem as though it is going to slow down anytime soon, let alone stop. Here we are with the Satechi X-Pointer mobile presenter and Stylus Touch Pen that was announced specially for the iPhone, with the former being controlled using the X-Presenter app that enables users to have the kind of unprecedented freedom, scrolling through through PowerPoint or Keynote presentation slides while ensuring the audience’s attention is directed thanks to the included red laser – like moth to a flame, you could say that.
source : http://www.coolest-gadgets.com