Waterpik Sensonic Sonic Electric Toothbrush (Gray) $53.72 + Free Shipping

Amazon [amazon.com] has Waterpik Sensonic Sonic Electric Toothbrush (Gray) for $53.72. Shipping is free.

Product Description from Amazon

3 BRUSHING MODES: The Waterpik Sensonic electric toothbrush features 3 modes to personalize brushing at the touch of a button: Clean- for everyday performance; Stain Removal- for removing surface stains; and Gum Care- for gently enhancing gum stimulation.
EFFECTIVE PLAQUE REMOVAL: Clinically shown to remove up to 4X more plaque bacteria than manual brushing in hard-to-reach areas and helps protect against gingivitis, cavities, and bad breath. Accepted by the American Dental Association.
BETTER BRUSH HEAD: Cleans hard-to-reach areas, even back teeth, with a specially designed bristle pattern that hugs tooth surfaces to provide a deeper clean. To let you know when to replace, green reminder bristles fade to yellow.
KEY FEATURES: Rechargeable lithium-ion battery lasts up to 4 weeks per charge, 2-minute timer with 30-second pacer, recharge indicator, 3 modes, ADA-compliant soft bristles, ultra-quiet technology, ergonomic handle with non-slip finish.
INCLUDED: Waterpik Sensonic electric toothbrush, 1 Waterpik Sensonic Contour Brush Head, premium travel case, USB-C to USB-A cable (requires USB-A wall adapter, not included), charging base, 2-year limited manufacturer's warranty, see manual for details.
REPLACEMENT BRUSH HEADS: Use genuine Waterpik Sensonic Contour Brush Heads, model STWB-3WW-B

$54