- Broad compatibility assured: This charging base for Braun Oral-B electric toothbrushes is fully compatible with a wide range of models, including Pro 1000, 3757, Pro 300, 400, 500, 1000, 2000, 3000, and the IO Series 3, 4, 5, and 6. It provides a seamless fit and reliable charging for your toothbrush. - OEM universal wall plug adapter: The charger includes a universal wall plug adapter and accepts input of 220-240V, 50/60Hz, ensuring compatibility with various electrical outlets worldwide. The output power is carefully matched to that of your original charger to preserve performance and longevity. - Space-saving design with waterproof durability: The compact charging base is designed to fit into tight spaces, making it easy to keep your bathroom counter organized. It features an IPX7 waterproof rating, enabling easy cleaning under running water and reliable performance in humid environments. - Extended cable for convenient charging: A 3.3-foot cable provides added flexibility and reach, allowing you to position the charger near a power outlet while keeping your toothbrush within easy reach. Practical use scenarios - Small bathroom or cabinet: Place the compact base on a shelf or inside a medicine cabinet to maximize counter space without sacrificing charging convenience. - Global travel or shared outlets: Use in regions with 220-240V mains to keep your Oral-B toothbrush charged wherever you go, using compatible outlets and the included adapter. - Daily grooming routine: Keep the charger near your sink or mirror for quick, easy access during your morning and evening brushing sessions.