Waterpik Sonic Electric Toothbrush

This toothbrush features a lithium-ion battery lasting up to 4 weeks per charge. It offers 3 brushing modes—Clean, Stain Removal, and Gum Care—with a 2-minute timer and 30-second pacer. The brush head has a unique bristle pattern for hard-to-reach areas and includes reminder bristles that fade to indicate replacement time. Price drops from $99.99 to just $49.99 w/ free shipping.