This sonic electric toothbrush offers a deeper clean for healthier teeth with 40,000 vibrations per minute, providing 7 times better cleaning than manual toothbrushes and removing almost 100% of dirt and bacteria. Each purchase includes 8 American DuPont brush heads, lasting for 24 months, so you don't need to worry about frequent replacements. Enjoy up to 120 days of use on a single 3-hour charge, making it an ideal travel companion. The toothbrush features 5 brushing modes: Sensitive, Clean, Whiten, Polish, and Massage, catering to various oral care needs. The 3D DuPont bristles are designed for deep cleaning between teeth, with rounded tops to protect sensitive gums. Replacement brush heads are recommended every 3 months. It is compatible with USB charging, and it's recommended to use a charger above 5V1.5A. The USB cable works with USB adapters with a voltage lower than 6.3V, eliminating the need for specific adapters.