For the price really a great device, can be used easily on virtually all major systems.
What I have noticed: The German keyboard layout seems the scanner sometimes unfortunately to lose, hence the configuration barcode for the German keyboard layout has to be re-scanned by the manual. But this is rather a minimal problem
Unfortunately, you can "Scan Sound" (beep the scanning) Do not park. (Currently I am developing an iOS application and for debugging must I carry out many test scans, with time already goes a sound then on my nerves, because I would really visual signaling fes scans completely sufficient).