You can use Camtasia, which will screen record and record using the PC webcam and also a second webcam so that you can capture other devices such as a phone.

There’s also a clever thing called Lookback.io  Which captures screen use and webcam on mobile devices.

Don’t forget conferencing software like GoToMeeting and WebEx.

Update:  it really matters that you have a standard mouse.  I tried the Camtasia recording tool today – recorded the screen, webcam and mic.  It worked like a charm.  Apart from the users being terrified of touching my Mac mouse or touch pad…..lesson learned…..more to follow