2 ms·

For those who might not know, one of the (unlabeled) buttons next to the screen will mute the audio at least. Just push them one by one until it mutes.

• bbor 3y ago
  Usually second from the bottom on the right :)
• timw4mail 3y ago
  Sometimes, not always.
• h2odragon 3y ago
  Ripping the thing off the pump (with a crowbar if needed) and chucking it int he trash can also works. Just saying.