So, you (we) have options.
OTOH, there was a question, I give a correct and logical answer, and then we see that the original point was just to... You know what? I have better things to do.
The end.
£1.50 from Amazon with free delivery or try your local $/£ shop for alternatives.
the second 3.5mm on Mojo is redundant.
(so is the second USB port on Mojo2)