MIDINI 905 series electric toothbrush 3 hours fast charging, 90 days battery life, small and portable, light as an egg, easy to travel, waterproof design, wavy brush head design fits the gums better, easier to remove oral residues, comes standard with 1 main unit 2 replacement brush heads, USB charging cable, 905 series is ideal for first-time electric toothbrush users, unique low-vibration design.Package content: ultrasonic electric toothbrush, 2* brush head, 1*USB charging cable, 1* manual Reminder: After you receive this product, if the toothbrush host does not vibrate, you must not worry, try to keep the first charging time above 4 hours. The electric toothbrush has a built-in super-powered lithium battery, which can be used for about 90 days after a full charge of 3 hours. Long-lasting battery life makes this electric toothbrush very suitable for travel. You don’t need to recharge frequently. The slender soft bristles use a high-density round-hole hair transplanting process to round the bristles to protect sensitive gums and can easily penetrate into the gum gap to clean the mouth. Advanced Technology The MIDINI adult electric toothbrush contains state-of-the-art technology. Leading ultrasonic cleaning power electric toothbrush, built-in smart timer to help you brush your teeth efficiently, 30-second notification timer, 2-minute automatic timer, IPX7 waterproof rating is powerful and stylish. Super cleaning power The electric toothbrush has 3 unique modes including clean, polish and whiten to ensure comprehensive oral care. The toothbrush's powerful ultrasonic motor helps you clean 99% of plaque, resulting in healthier gums, fresher breath and whiter teeth than a manual toothbrush.