3 ms·
These are popular with two-way radios, where they're called acoustic tube earbuds. I'd guess the tube is longer in an MRI, though.
by jlarocco 3y ago
These are popular with two-way radios, where they're called acoustic tube earbuds.
I'd guess the tube is longer in an MRI, though.
- rjmunro 3y agoTV presenters often use them; presumably the clear plastic tube are supposed to be harder to see.