Select the mode you’d like (using the smaller button)
Put the brush in your mouth before turning it on to avoid toothpaste splatter
Press the large power button on the handle
Tip: The toothbrush will pulse (feels like a brief pause) every 30 seconds to let you know when to switch to a new section of your mouth. One bruising cycle = 2 minutes, covering 4 sections: Top + Bottom, Left + Right.