ultrasonic electric toothbrush 1.6MHz AU-300D

------------------------------------------------------------------------------------------------------------------ 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ------------------------------------------------------------------------------------------------------------------ ◆Manufacturer limited benefit◆Full set + 2 packs of replacement brushes included. ◆2-year warranty on rechargeable batteries As a manufacturer of Toray Ultima, we have a proven track record in production and market performance. Although the appearance has changed, the basic performance has been inherited. Due to requests to resume production of ultrasonic toothbrushes, we are producing and selling the manufacturer's brand Smile X domestically. The Smile (Patented technology) It was confirmed that the ultrasonic massage head increases blood flow in the gums by approximately 16% due to the efficient transmission of ultrasonic waves. The body is gray type with green buttons. We also sell lavender color buttons limited to the manufacturer and pink body color limited to the manufacturer. Smile X has a built-in 1.6MHz ultrasonic vibration element at the tip of the main body, which irradiates the teeth and gums with ultrasonic waves while brushing. In addition, the AU300D is equipped with sonic vibrations in addition to ultrasonic vibrations to assist brushing. The feature of ultrasonic toothbrushes is that the ultrasonic vibrations weaken the insoluble glucan chains that form the basis of plaque, allowing plaque to be removed efficiently through brushing. In addition, due to its characteristics, ultrasonic toothbrushes can perform oral care with very gentle vibrations. Other effects of ultrasound have been presented at domestic and international medical and dental conferences, including bone regeneration and hemostasis through cell activation. Ultrasonic output is controlled within DFA safety standards.