It takes only one week to get healthier gums, and the most advanced technology is used to remove 100% dental plaque, even 2.5 times between teeth *. Use applications to track and improve brushing habits through performance reports, journeys and goals. Using iO pressure sensor to protect your gums, the only one that can send a signal, if you use perfect pressure to clean effectively and safely. Personalize your brushing options in four cleaning modes: daily cleaning, sensitive, ultra-sensitive and whitening. Use the iO lighting timer to always maximize your cleaning effect-celebrate the dentist’s recommendation of 2 minutes brush and supplement the replacement alarm. = The position where the circular brush head can touch the rectangular manual brush. Experience the best cleaning we come from, the first brand most commonly used by dentists all over the world. Enjoy long-lasting charging with lithium-ion batteries.