Features: Extensive compatibilitythis toothbrush charger base suitable for all Oral-B Roundhead electric toothbrush. Inductive charging full automatic stopfully protected against overchargeovercurrent and overvoltage. IP67 Grade waterproof intelligent leakage protectionthe charger base can be used in wet environments such as bathrooms. Our Zuikn toothbrush charger base made of high quality insulated ABS material for easy cleaning and durable. Replacement electric toothbrush charger power cordextend the life of electric toothbrush without wasting European charger110-240V voltage input can be used in many countries easy for travel. Directions for Use: This product only fits for Oral-B Model 3757 electric toothbrush This isnt identical in size to the original charger the electric toothbrush holder that fits on the original charger does not fit on this one. When charging electric toothbrushes should be installed vertically so that the bottom is completely in contact with the charger. It takes more than 30 hours to charge with 110 V it takes more than 15 hours to charge with 220 V. Parameter Voltage: US plug 110V 130V Power: 0.9W (Use in United States Canada Cuba Mexico Columbia Venezuela Or any other sharing the same voltage) EU plug 220v-240vPower: 0.9W. Details About The Charger: Plug type: EU plug Voltage: 110V - 240V Output:3.7V 40mA Power: 0.9W Color: White Cord Length: 1.2m 4ft Material: Evironmental ABS Charger Base Size:64mm52.5mm36.5mm Package Included: 1European Toothbrush Charger base for Braun Oral-b