Great in the beginning, but doesn't last
Be careful and save the packaging and warranty information if you buy this brush.  While it is a good brush for a good price, mine didn't last for 9 months before it started losing its ability to hold a full charge.  Now, after having it for 13 months, I can only use it 3-4 times before it needs to be recharged!  So, I just called the phone number in the package insert, and complained.  They are sending me a new one!  (There are no service centers where I live).  This is a good buy, and I like the fact that it fits multiple kinds of brush heads.  The 2 minute timer is nice as well.  But, this brush was not built to last.  (Though what, nowadays, is??)  The key is to complain and get your money back or hold the company up to its warranty.  Thankfully, this brush comes with a 2 year warranty.
Rating: 3 stars