Waterpik Nano Sonic Electric Toothbrush - SHIPS FREE!
- 16,000 gentle sonic brush strokes per minute
- Unique high-low pattern of soft, end-rounded bristles effectively cleans plaque from hard-to-reach areas
- Includes replaceable AAA battery
- Waterpik Nano Sonic toothbrush is 16,000 strokes per minute and a frequency of 133hz which falls in the definition of a sonic toothbrush. Sonic waves are not part of the product claim