The Oral-B Pulsonic comes with two brushing modes which are high and low. If you have sensitive gums the low setting may be more comfortable. There is a built-in timer to let you know when your two minutes of brushing time is up. Two minutes is the time most dentist recommended. It is slimmer than most other electric toothbrushes which make brushing easier and more comfortable for you to hold. It provides gentle sonic vibrations that help to remove more plaque than other methods. Just move it around in the mouth and let it do the work. Do not use lots of pressure because it's not needed.