I even want a higher rate to achieve better effect. It is really a great deal with ...
At the very beginning I am not used to it but I totally adapt to it after three days. It is really effective, I can feel my teeth becomes cleaner almost immediately after using it. There are different level of vibration rates. After I used to it, I even want a higher rate to achieve better effect. It is really a great deal with such a low price. And the hand feeling is also great. And the electric power can really last a very long time. I did not charge it yet after i got it.
Rating: 5 stars