FITS MY ORAL-B GENIUS
These were just a little stiffer attaching to my Oral-B Genius electric toothbrush, but the brush head moves like it should.  I do not use the Blue-tooth app with my toothbrush so I don't know if that will still work.  The price was fantastic.  The price was less than what I paid for 3 name brand replacement heads.
Rating: 5 stars