Supremery Lenovo ThinkPad 8 keyboard Aluminium Bluetooth Keyboard - German QWERTZ layout + USB Data Cable (Electronics)
After that I had been looking for. Why top grade? 1. Connects quickly and reliably: With the mobile phone (Android); with the tray (Windows) 2. Stable connection, also readily from 6 meters; so I can run around the room 3. Reliable switching Android