"Joseph: As you have experienced this when trying to use the toothbrush we take this matter seriously, please note this is why we forward your request claim administrator department to investigate if there is any quality issues. Joseph: Please keep the unit with you, the team will instruct you on the further details. Joseph: I would suggest you to keep the unit handy, while you are on communicating with our team." i have never seen this before,so glad i didn't give them the address.