Mike,
the usb on the front is a usb 2.0 to device and so is the other one on the back. And also on the back is one usb to host. the wording on the specs is not easy to understand.
George Kaye
Kaye's Music Scene
Reseda, California
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George Kaye
Kaye's Music Scene (Closed after 51 years)
West Hills, California
(Retired 2021)