Experience a whiter smile and a cleaner mouth with the Waterpik Nano-Sonic Electric Toothbrush. This gentle and effective electric toothbrush features 16,000 strokes per minute. The soft sonic vibrating bristles help break up plaque around and in-between teeth. The high-low bristle configuration ensures access to plaque in hard-to-reach places and the ergonomic non-slip grip design will provide you with comfortable grip and use. A replaceable AAA battery is included. Taking care of your oral health is easy. INCLUDED: Replaceable AAA Battery. COLOR: White-Blue.