The first EC Technology® Backlit Keyboard with Wireless in the ultra thin design with LED Backlit QWERTY keyboard layout, and Built-in Li-Polymer battery Keyboard for iOS Android Windows Tablet PC Smartphone and so on. -Black Goodbye permanently from the Bluetooth connection, and was therefore to use only for my Tablet.
Then I ordered this here: Bluetooth keyboard, GMYLE® Ultrathin Wireless 10 "keyboard Bluetooth 3.0 with LED backlight (Fonctionniert with lithium battery), at the first time was the connection via Bluetooth stable, and also missed function keys such as the" printer " were key exists By design, very small and flat, and the lighting in blue liked equally BUT:.. just when I thought to have finally found my desire keyboard, I had also here find that they now and then, totally unpredictable ., no longer stops wiederhoooooooooooolen the last typed letters (just about) Why do they do that, I can not say Sometimes you can work three days with no problems with it, and then suddenly pengggggggggggggggggggggggg -. It is back!
Meanwhile, I am here then switched to this from Perixx which is a little thicker and bigger, but it works. There is no Bluetooth problems, because it is wired. I miss no buttons with special functions, and a small touchpad is also on board, which works very well.
Very handy, I find that the keyboard has two USB inputs. Since I operate the desktop, where the PC is under the table on the floor, now can be things like USB sticks or card reader for online banking, convenient use in seat height.
The lighting is in 3 levels of brightness adjustable (or eliminate), highlighting both the respective letters, as well as the contours of each key, in a stylish computer blue.
For me, this is now the best of the three mentioned, because they at least work. Although not as small and "sexy" is, like the other two.