Optical & Technical properly.
For some possibly a little flat.
But: There is no longer supported by the manufacturer! Nothing can be more available on the website, this mouse -.-
She runs with me on Windows 7 32 & 64Bit properly, with the Windows drivers.
But unfortunately there no more software to the DPI adjust exactly.
As the manufacturer Revoltec does this insolence and for 4 months not email reply, I will never buy anything from Revoltec again. I will also to everyone I know, dissuade from Revoltec.