Soladey 5 (Black) Manual Toothbrush - No Power Required - Prevents Cavities, Removes Plaque, Includes Spare Brush Heads, Built-in TiO2

[SOLADEY 5: Brush your teeth with light and water] It reacts to water and light to chemically approach plaque, allowing you to experience sufficient brushing power even with manual brushing. [Built-in TiO2 semiconductor] The [negative electrons] generated by the photocatalytic action that reacts to water and light disrupt the balance of plaque and enhance brushing power. This TiO2 semiconductor utilizes SOLADEY's (Shiken Co., Ltd.) unique technology, which has obtained manufacturing rights in 12 countries worldwide. [Built-in solar panel] A [solar panel] is built into the toothbrush body, applying the light energy of the room during brushing to your brushing. By taking in light from the solar panel, more [negative electrons] are generated, and the photocatalytic action of the semiconductor leads to ideal brushing. No [unclear text] is used. Developed with a focus on design and functionality, this toothbrush is easy to hold and you'll want to use it every day. Available in 4 color variations, so your family can choose their favorite color and enjoy brushing every day. The brush head is replaceable, so the main unit can be used for a long time. It can be used with both the new and old brushes, and since there are variations, you can customize it to your preferred hardness and shape.