[Wide Compatibility] Compatible with most Oral B electric toothbrush models except iO series, like S12, D10, D20, 1000, 2000, 3000, 4000, 5000, 7000, 8000, 9000, Genius series and more. Please confirm your model matches before purchase. [Waterproof Design] Fully sealed with waterproof and dustproof protection. Made of insulated ABS material. Safe to use in bathrooms and humid conditions. Even works after accidental water exposure. [Safe and Easy Charging] Features induction charging technology. Simply place the toothbrush on the base to start charging, remove to stop. Makes charging convenient and worry-free. [Great for Travel] The electric toothbrush charger is lightweight and easy to carry,Great for Travel replacement.