Just purchased this keyboard five days back and have been using it frequently ever since. It is a life saver for a person who loves to type, and has never got the hang of the touch keyboard even with its swipe and memory features.
The keyboard is very compact(size of a laptop keyboard), lightweight and attractive. It comes with a stand for my tab that makes it very convenient to use. It connects very easily and quickly, it is completely no hassle in terms of consistent connectivity and on screen transference. It has an excellent layout, with keys correctly spaced out for high typing speeds.
Besides basic functionality, it also customizes to your android/ios device by including quick keys for screens hits, sound controls, etc. I especially recommend it for using spreadsheets considering its easy navigation ability and quick shortcuts, just like a windows keyboard. I also love to play my NES games using it;)
The only scope of improvement I see is in its rather plasticky feel that I'm constantly reminded of by its constant clicking sound, just like in those pc style calculators.
I got it for only Rs.1899/- on eBay.in., through micronworld and saved a whooping Rs. 900. Anyways, its totally worth the price. A very productive purchase.
I have also earlier used headphones and wired mouses of Logitech and have been completely satisfied with their design and quality. Indeed, a trusted brand.