Question

how do i transfer my music from studio one to my USB device

Answer 1

It's difficult to assist without knowing what your "USB device" is.

Assuming you're referring to a USB storage device of some sort you can move files to it the same way you move files anywhere; click and drag.

If you're looking for info on how to take your songs out of Studio One and make them a single audio file, please see the link below:

http://support.presonus.com/entries/21461925-Audio-Mixdown-Exporting-Song-