Soft oscillating bristles! Includes AAA battery. Suction cup. Fight evil plaque with Dino Charge power! 1. Oscillating bristle action cleans deep in between teeth, removing plaque and gently massaging young gums. 2. Slim handle design provides an ergonomic hold and easier grip for small hands. 3. Suction cup base holds the toothbrush upright which helps to keep bristles clean and reduces clutter on the counter. Collect all 4 brushes! G-U-M: Healthy gums. Healthy life. Gumbrand.com. Made in China.