Compatible with IO 7 8 9 – (Note: Please confirm your electric toothbrush model is on the compatibility list before purchasing) Magnetic Charging Technology: This toothbrush travel charger uses a stable magnetic connection to prevent the toothbrush from detaching or falling during charging. The non-slip texture of the base increases friction and provides a good anti-slip effect, ensuring the stability of the charging base. Water and Dust Resistant: Braun's charger protective cover is made of high-quality materials, effectively preventing water and dust damage, ensuring the efficient operation and durability of the toothbrush in humid or dusty environments. Compatible with charger for model 3768. Multiple Safety Protections: Our chargers undergo rigorous quality control and feature overcurrent, overload, short-circuit, and overheating protection to ensure a stable and safe charging process, maintaining the same performance as the original charger. Compatible with charger for model 3768.