German Technology Rejects "Fake" Sound Waves - Safe and Effective KOSION Platinum Edition Smart Tooth Cleaner KOSION - Easy to Use, No Harm to Teeth, Professional Technology for Whitening Based on clinical cases of various dental diseases, KOSION Laboratory has developed ultrasonic vibration technology over a period of five years. By using 30-40KHZ+5.2 million ultrasonic vibrations per second, it can quickly remove stubborn tooth stones without damaging the teeth, achieving effective results. Ergonomic Design - Convenient and Simple Operation, Minimalist and Fashionable Appearance Gentle Mode: Suitable for first-time use or those with sensitive teeth Cleaning Mode: Enhances cleaning of teeth stains, dental plaque, etc. Strong Cleaning Mode: Variable-frequency deep cleaning, suitable for stubborn stains KOSION reminds you: Please ensure that your oral health is good before purchasing or using. Customers with serious ulcers, sensitive teeth, and other problems are advised to seek treatment before using. LED Shadowless Lamp Provides Illumination without Blind Spots - 6 LED Shadowless Lamps Clearly Illuminate Blind Spots Equipped with a 1000mAh Large Capacity Battery - Can be Used 10 Times on One Charge The high-capacity lithium battery allows you to say goodbye to frequent charging troubles, and can maintain stable output of the machine to avoid insufficient power causing unstable ultrasonic vibrations and reduced cleaning ability. High-precision LED lighting without dead angles Whole body washable - IPX7 waterproof rating, the whole machine can be washed with water, and the machine has a longer service life