deankeith7 years ago+8157What does OEM mean? What is the difference to MX Master?Show in original language (German)User08156 years ago+231I'm wondering the same thing here, it can hardly just be the packaging?Show in original language (German)Comment4 commentsEGAGpeter7 years ago+154There are no differences with the MX Master. Only the packaging is different.Show in original language (German)Comment