Warranty:

Your warranty starts on the day of purchase and runs for a year. If your sonic electric toothbrush or water flosser is defective during the warranty period, please feel free to contact us and we will replace it free of charge after confirming the issue. The warranty does not cover accessories such as type-c charging cable and brush heads, as well as cosmetic damage such as scratches, or damage caused by below:

Normal wear and tear

Misuse, abuse, neglect, or alterations

Failure to take proper care of the product, including recharging

Use of non-original replacement parts or unauthorized brush heads

Repairs carried out by agents not authorized by usmile.