Here's an idea that will give you one more USB port in a pinch, the Brando USB Mouse with a 2-port USB hub dangling from its tail. It's $16.
If you're so inclined, OEM company Brando Workshop's website is mildly entertaining with its earnest Engrish, luring you in with its breezy promises of convenience and pleasure. Happy fun for everyone.
Product Page [Brando Workshop]