Customer Service: The product refund period is 30 days, 12-month product exchange service, and lifetime professional product technical support is provided as well. Having any questions about our product, please contact us to get a quick answer. Induction Charging: The charger makes of safety inductive charging base, and uses more convenience and security. Easy to carry: The electric toothbrush charger is lightweight and easy to carry, making it ideal for environmentally friendly travel. Waterproof Base: Fully sealed and waterproof design, this Philips Sonicare Electric toothbrush charger is made of insulated ABS material, IP67 grade waterproof, and dust-proof. Easy to clean and it can be used in the bathroom and other humid environments. If it drops into the water and it won't be damaged and still works. Broad Compatibility: philips Sonicare airfloss series, essenceplus_dailyclean series, flexcare series, flexcareplus series, flexcare_platinum series, expertclean_expertresults series, protectiveclean_4100/4500 series, protectiveclean_5100 series, protectiveclean_6100_6500 series, healthywhite series, healthywhiteplus series, sonicare_for_kids series, 2 series, 3 series, powerup series, easyclean series.