The tooth brush has worked wonderfully but alas after a few months of use, the part that is used to load seems not load, unless this is a problem in the battery of the brush. Difficulty to obtain warranty for the customer leaves amazon fend with the builder after one month of receipt of the product. I have always been very satisfied with the services amazon but this mishap will make me think twice next time. Conclusion: qqs euro gap, is better to prefer a physical store, or we can have a real service. Too bad ...