?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. ?IPX7 WATERPROOF DESIGN?The Oral B IO electric toothbrush charging base is made of special magnetic and waterproof materials, Replacement Oral B iO 7/8/9 charger adopt premium waterproof materials, injection of waterproof glue inside and adopt waterproof materials to make the shell, double waterproof design to keep you safe while charging the Oral-B electric toothbrush. ?Magnetic Induction Charging?This Oral B IO charger base adopts inductive charging method, just put the electric toothbrush directly on the base to charge immediately, saving the trouble of the jack, easy to carry, is a good helper for electric toothbrush charging on the traveling. ?3768 Model IO Charger? compatible with oral b iO series 7/8/9 electric toothbrush, replacement for Oral-B charger base model 3768, design in fast and stable magnetic charging technology and adopt quality copper core which can make sure it can keep in line with the original Oral-B charger.