I got this toothbrush for my 6 year old son and it makes him feel so grown up! Brushing Modes - This Sonic electric Toothbrush upgraded with 5 modes: Clean(strong), Polish(strong invert frequency), White(gentle), Gumcare(gentle strong invert frequency) and Sensitive(soft), according your oral situation customize your brushing modes, keep your teeth healthy and strong for a lifetime. IPX7 waterproof that whole rechargeable waterproof electric toothbrush body washable, enjoy brushing your teeth in the shower. LTKfamily LTKhome LTKkids