原帖由： Beverly Roxby ,
Is my 3757 Oral B toothbrush repairable? On button doesn't work
Yesterday my 3757 Oral B toothbrush worked fine; it was fully charged. This morning it worked briefly, then turned off, and finally the on button doesn’t work at all. I don’t know the age of this product—is it repairable?
Braun Oral-B Triumph 9900