the keyboard can look very sophisticated, the installation takes only a few seconds and you can get started. I can therefore also write well and supporting the heel of your hand is very pleasant. Unfortunately, the wireless transmission continues to set out what new power cycle requires (transmission distance just 50 cm), with neither coupling the universal receiver (for Logitech Bluetooth Mouse, still works with 2 receivers brought improvement. After 1 week Ausprobrieren I That reminds me something has never happened with Logitech products they sent back. I might have just been unlucky and do not therefore in principle discourage the product. Unfortunately, there are hardly any comparable equipment. Property me today an ergonomic keyboard from Microsoft worried but with cable: cheaply packaged, no instructions (regarding Sondertast), no CD-ROM, for all 10 fingers significant familiarization Will I still try a few days, and - if I did not get used to it - if necessary, give the Logitech a 2nd chance. ,