5 links to products have been added on 4 ideas about #sound.
  1. djloon

    You can get these nearly invisible ceiling speakers from E-Bay
    https://www.ebay.com/itm/225134447196?

  2. It exists, this app lets you record sounds from your doorbell and landline and other stuff so it can vibrate and tell you when something is happening. Great idea, looks like it gets lots of good reviews too.

  3. My friend has some of the Aftershok ones, but the problem is you can’t drown out all the sounds your ears hear. Pretty pointless if you ask me.

  4. I’m not deaf but we got the vibrating one as we work from home in an office – it seems to work every time.