?After sales guarantee?30 day refund guarantee without any reason. If the charger base is damaged naturally within one year, we will provide free warranty or replace it with a new one. If you have any questions, please feel free to contact us. ?Easy to carry?The design features of this io electric toothbrush charger are light weight, small floor area, proper cable length, convenient and fast use, suitable for travel, improved travel quality, and exquisite design to meet your requirements for beauty. ?Quality Assurance?The io electric toothbrush charging base is made of special magnetic and waterproof materials, and also made of high-quality materials, so that the product has over-temperature, over-voltage and overload protection to ensure the normal operation of the product and increase the service life of the product. The product has passed strict production tests. , in line with product production standards. ?Inductive Charging and Waterproof Features? This io electric toothbrush charger is made of special materials. This io electric toothbrush charging base is inductive charging and has stable magnetic function. You just need to gently place your io toothbrush on it, and then plug in the power supply to charge your toothbrush. The io charging base is completely sealed and has an advanced waterproof level. You don't need to worry about charging in the bathroom or when washing. ?Compatibility?Compatible with electric toothbrushes with Braun Oral B IO series 7series 8 series 9.