The pulses per minute of the oral shower are the rapid, rhythmic vibrations or pulsations that are generated by the shower nozzle during oral cleaning. These pulses are designed to be gentle and effective in removing plaque and food debris from the teeth, gums and spaces between teeth. The pulses per minute can be adjusted, allowing users to customize the intensity and speed of cleaning to their individual needs. This feature can help to improve overall oral hygiene and gum health.