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【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.
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[SOLADEY N4 brushes your teeth with light and water] Soladay N4 removes dirt from your teeth using water and light, allowing you to experience sufficient brushing power even when brushing by hand.
[Built-in TiO2 semiconductor] The photocatalytic action of the TiO2 semiconductor reacts to water and light, generating negative electrons that disrupt the balance of dirt adhering to teeth and improve brushing power. This TiO2 semiconductor utilizes proprietary technology from SOLADEY (Shiken Co., Ltd.), which has been patented in 12 countries around the world.
Built-in solar panel: The toothbrush itself has a built-in solar panel, which harnesses the energy of indoor light while you brush your teeth. The additional negative electrons from the solar panel, combined with the photocatalytic action of the semiconductor, ensure optimal brushing.
[Pointed Bristles] The brush head used in the Soladay N4 features a compact head with pointed bristles. The mountain-shaped tip allows for detailed brushing, even in the grooves of back teeth, between teeth, and behind front teeth, where brushing is often required. *Replace with your preferred brush head (sold separately).
[Made in Japan/First Eco Mark Certified Toothbrush] The Soladay N4 is a product made in Japan using Japanese industrial technology. The Soladay series is also the first "replaceable toothbrush" to be Eco Mark certified. *Replaceable brush heads (4 brushes) per pack. If you have implants, please consult your doctor before use.
SOLADEY N4: Brushing your teeth with light and water
①TiO2 semiconductor
It uses TiO2 (titanium oxide) photocatalytic technology that cleans stains with light and water. By reacting to indoor light or sunlight, it generates e- (negative electrons) and approaches tooth stains.
②Conductive rubber
The brush is designed so that the conductive rubber acts as a conductor for transmitting e-energy, allowing you to touch it no matter which direction you hold the brush.The design also naturally encourages you to use a pen grip, which allows for more precise brushing.
③Replacement brush method
The brush features pointed bristles that fit perfectly between your teeth and clean every gap. Choose from a wide range of spare brushes to suit your teeth alignment, size, and brushing method.
④Solar panels
The solar panel reacts to indoor light and generates the necessary e-. The waterproof construction allows for easy cleaning.
