The Foreo Issa Mini 3 Sonic Toothbrush offers powerful yet gentle cleaning for a brighter smile and healthier teeth. This ultra-hygienic toothbrush features an innovative silicone PBT hybrid brush and Sonic Pulse technology. Its medical grade silicone is up to 10,000 times more hygienic than traditional nylon bristles, being bacteria resistant and free of BPA and phthalates. The hybrid brush combines soft silicone bristles to gently massage gums with sturdy PBT polymer bristles to effectively break down plaque buildup. Enjoy long lasting performance with up to 265 days of use on a single USB charge. The toothbrush is 100 percent waterproof with an anti slip grip, making it suitable for use in the shower. It promotes excellent oral hygiene habits with a built in timer that guides you to brush for the dentist recommended 2 minutes and reminds you of brushing consistency. Experience a complete 360 degree clean with bristles for teeth and gums on the front, and a tongue and cheek cleaner on the back.