Mikhail

I've pushed an additional method of finding it https://github.com/ysph/g403-GUI-control/commit/7b52c94d2185064893864b8200e9c538e700af0e. Please, try to compile and run again. If the problem persists, then the application cannot find the corresponding Vendor and Product...

I made a tweak regarding that issue https://github.com/ysph/g403-GUI-control/commit/ef9acc9e0b1b1a7eb7806657ccbadb2100a62aa8, seems like libusb version there was a bit old. Try to compile again.

That's quite strange. This C directive doesn't allow here using libusb_set_option() funciton, which was introduced only in 1.0.22 of libusb (you use 1.0.21 in which libusb_set_debug() is used). https://github.com/ysph/g403-GUI-control/blob/7e987f9b2873a2de0df65e69a9d8b56501fa4f95/main.c#L104-L108 I'd...

Since I do not have wireless version of the g403 mouse (c082 and c539, mine is c083 (it also works for me)) at hand, it's hard to know and test...