Normally pile up over time different remote controls, chargers or power adapters from a wide variety of manufacturers. It's great that even Microsoft is no longer the trend for different devices denied! I tried it on a Surface Pro 3, a standard PC Win 8.1, an iPad3 and an iPhone 5S. All devices connect to after opening the keyboard within 2s, which is very pleasant. Only on my Win 8.1 PC I had in connection with the Bluetooth 4.0 USB connector of CSL problems. The keyboard has been recognized but while pairing it also went to the input of the coupling code never on. As for the couple, I had one way or another even wished a short leaflet. When iPad it seemed to me that after the code still need to press RETURN. Implemented toll: Otherwise, the additional functions for the respective devices (F-keys, etc. iOS Home, Win). Writing can it also be great if one has first used to the compact size. One can Inserting wonderful iPad in two different angles and undock also the holder (cover) from the keyboard. Smart! The battery is supposed to weeks, if not keep even months. I'm curious. Anyway, thanks to Microsoft for something great, noble, multi-functional!