how to connect usb microphone?

hello,

how could i connect my usb microphone to vdj pro 7.0 ? 
its for broadcasting live with my controller. 

at mappers i have advanced :  - master: output 1&2
                                                  - headphones: output 3&4
                                                 - microphone: input 1&2 

also, my mic is on ( yellow lamp in the right corner mic so hes on ) 
but i dont hear anything because my mic is usb..

can someone help me with the right settings?

thanks 

Hello,

1) What is your DJ controller?

2) As VirtualDJ Pro can set only 1 audio device, I would suggest to agglomerate your current audio interface + you USB microphone in ASIO4ALL and to select ASIO4All as audio device.