iPen 2 is often a universal stylus for iPad, but as well it can be mouse for iMac and Apple Displays running Mac OS and Windows. This stylus includes 1024 amounts of pressure sensitivity, and yes it emits signal from the pen tip so that you can hold the iPen 2 stylus in any way you like, without degrading its performance. This stylus is designed to use iMac and Apple Displays with glass panels, and due to the new technology, this stylus turns your non-touch Apple Display into stylus friendly screen that's fully compatible with Mac and Windows applications. We should also mention that iPen 2 stylus comes with a stand which will hold and recharge your stylus when you’re not deploying it.