Really nice and if you think it’s not working, just put it on that teeth

Nice, no more. In my opinion it is not effective and does not do the job

Very good product, just need to know how to use it because at first it seems not to work well, but as you use it, you get the hang of it. It was totally worth it, the only negative thing I can highlight is that the power decreases after an hour, but I suppose it's normal because the manual says to rest after continuous use, especially because it heats up. It doesn't hurt, but it's noticeable that the power drops. It's more useful when someone helps you do it.

Works as promised

Compliant with the description