Not so convenient
As a dental hygienist I’m using a extraoral suction machine due to covid.  It’s extremely loud.  I bought these hoping they would help as my ears ring by the end of the day.  They worked for about 3 weeks and then broke. I had to remove 1 after each patient so I could hear people talking. They are difficult to insert and sometimes uncomfortable.  I also think other silicone ear plugs would work the same and are so much cheaper!!!  I ended up using ear muffs for lawn mowing.  So much more comfortable and convenient!!
Rating: 2 stars