How can I use RecordJs in Wordpress

I need to create a page in wordpress with an audio recorder, after this audio be recorded, I need to send it by mail to me.

know I can record audio with the recorderjs javascript library.

GitHub RecorderJs

However I'm not getting implement the example link above

is possible to use RecordJs for this in wordpress? is there any other way? You guys know any free plugin for wordpress with this audio recorder?