SHIJIN Ultrasonic Kid's U-Shaped Electric Toothbrush, Slim Design, Waterproof Battery Powered 360 Oral Teeth Cleaning Design, Automatic Toddler Toothbrush with Food Grade Soft Silicone Brush Head Electric Toothbrush  (Blue)

Turn on the toothbrush and place it against the teeth at a 45-degree angle. Move the toothbrush slowly along the teeth and gums, ensuring all surfaces are covered. Use the toothbrush for 60 seconds, as indicated by the smart timer. After use, rinse the toothbrush and store it in a dry place. Replace the brush head when necessary. Do not use the toothbrush in the shower or bath.