The power of LED combined with an effective whitening formula for the brightest smile ever! Pro-Teeth ultrasonic brush with its Blue LED fights bacteria. Combined with The Pearl White pen's gentle formula with lemon & turmeric, it brightens your smile by 3X. Experience a deeper clean and naturally brighter you - Fights Plaque & Gives Fresher Breath - Convenient & Travel Friendly - Bristles made of soft silicon - Blue LED to fight Bacteria - U-shape snap-fit design for hands-free use