What the benefit for the Presenter uses BT4.0 Module?

So far, we have never seen a presenter which can work for all operation system.

With the merit of more and more devices equipped BT4.0 become popular, there are a new solution for people 

BT4.0 may bring the distinctive performance to help people solve this problem.

No matter you are using Windows, Mac or iOS, a BT4.0 presenter can let your presentation much easier.
Just bring a simple iPad or iPhone with a presenter with laser, a perfect performance can be in real

Example for the presenter in BT mode communicate with iOS system by BT4.0 solution 

Example for the presenter in RF mode communicate with Mac system by RF solution

Example for the presenter in BT mode communicate with Windows 8 by BT4.0 solution

Raytac Corporation
BT4.0 Module supplier based on Nordic nRF51822 solution
http://www.raytac.com/products.php?subid=16