Philips Sonicare ProtectClean Plus Electric Toothbrush Black HX6421/14

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. [Please check before ordering] In accordance with Amazon's return and exchange policy, electric toothbrushes and oral irrigators cannot be returned or exchanged for personal reasons. Please be careful not to make any mistakes when ordering. Compatible voltage: AC100V-240V 50/60Hz (can be used overseas) Usage time: Approximately 2 weeks Type: Lithium-ion Warranty: 2 years (please contact the manufacturer if there is a problem) Contents/Accessories: 1 charger, brush heads (tongue brush head 1, White Plus 1, Gum Plus 1), handle (Protect Clean 1) ●Clears away any noticeable tooth discoloration. Achieve naturally white teeth. ●High-speed vibrations of approximately 31,000 strokes per minute knock plaque loose, then the wide vibration range of the brush head sweeps it away. ●At the same time, these movements generate an "sonic water flow" that stimulates saliva flow in the mouth, gently yet effectively scraping away plaque. ●Equipped with an overpressure prevention sensor, it gently brushes teeth and gums.