What it is <a href="https://en.wikipedia.org/wiki/Electrolarynx" rel="nofollow">https://en.wikipedia.org/wiki/Electrolarynx</a><p>in use <a href="https://www.youtube.com/watch?v=AYydnhu6NbU" rel="nofollow">https://www.youtube.com/watch?v=AYydnhu6NbU</a><p>What it costs<p><a href="https://www.amazon.com/Griffin-Laboratories-TruTone-Emote-Electrolarynx/dp/B07ZPBKJZ1/" rel="nofollow">https://www.amazon.com/Griffin-Laboratories-TruTone-Emote-El...</a> (~ USD $ 300-1,200)<p>Whereas a raspberry pi costs (~ USD $ 30-100)