Decent product but HARD bristles
I wanted this to be super awesome, and the concept is great.  But this is like the hardest bristle I have ever used.  Definitely not soft.  Definitely not even medium.  I used mine for a couple of days, but switched back to my spin brush type toothbrush.  This just shredded my gums.  If this were available in a softer bristle, I would definitely buy them.  Great concept, though.  Hanging on to mine as a backup brush.
Rating: 3 stars