Feel like it should’ve been a false tooth instead. Perhaps of blue color.
[edit] omg [1]
https://www.amazon.com/bone-conduction-glasses/s?k=bone+cond...
> SoundBite was developed and marketed by Sonitus Medical, Inc. The company filed for bankruptcy on Thursday, January 15, 2015,[1] as a result of the US Centers for Medicare & Medicaid Services' decision not to cover the device.[2]
:(