Ive been using this toothbrush for last 3 days and its amazing how to clean my teeth. the way i was washing mt teeth was wrong cuase i was pressing my toothbrush and now with my new oral b toothbrush warn me (vibrate and blinking led) if i am pressing to much. it has colours to identify your toothbrush from others that this feature is cool. it becomes with mobile app that i like to much it helps me to wash my teeth easily in 2 minutes. i like my new oral b toothbrush :) ... highly recommended