The concept of the device is not bad, it has detected problems Macbook, iPad and the androids - switching between them is also amazingly fast.
It is noticeable in the mobile operating systems that Android (4.0 and above) is much better integrated than iOS (previously only on 7 tested) - I am a shortcut junkie; and the interaction of the keyboard with Android is really an amazingly good. On iOS, you have often herumtapsen on the screen - and annoying are missing automatism, such as those that you can not scroll gets in Safari when you press the space bar down.. (In the AppStore, there is an alternative browser iCab Mobile, which can then). Under Mac OS, the functionality is transferred 1: 1, everything is as usual.
For all devices applies: Bluetooth sucks. Feels Like 20% of the battery.
This part is quite difficult, in the pictures you have more of a toy-like impression of the box then amaze the 800+ -gram of the strand. After all, the iPad thus together with Apple's own magnetic protective cover is quite OK are, therefore: met target.
All in all I would say that I am on the gain in comfort for the occasional mail Tap through the keyboard'm looking - I but if I wanted to write something like a novel or a dissertation, but then one would prefer "more intimate" input medium.
And the design is still good.