As a one (wo)man show, you have a big disadvantage - there’s no one there but you. But you also have a big advantage - there’s no one like you.
We know that in an ideal world competence and credibility is measured by merit and not by gender. However we also know that unfortunately we don’t live in an ideal world and many women often get interrupted or not taken seriously, especially in business environments. But that doesn’t mean you should accept that.