Thanko's "ears-free" bone conduction headphones

Thanko's "bone conduction" headphones are available now on GeekStuff4U.

The big selling point for these $92.75 headphones is that they are "ears-free" so when you wear them, you can still hear sounds around you - kind of the opposite of noise-cancelling versions.

Apparently they stop your eardrums from getting tired, not something we'd ever even realised was an issue, fools that we are...