Woot offers Colgate 360 Advanced Whitening Electric Toothbrush, 4 Pack for $13.99 (orig. $55.96) after coupon + free shipping with Prime.

Apply Code:  SAVE5

Product Description:

The Colgate 360 Advanced Whitening battery powered toothbrush with replaceable brush heads provides 5X plaque reduction along the gumline vs. an ordinary manual toothbrush, while still being gentle on gums. The ultra slim, lightweight handle design provides sonic vibrations of 20,000 strokes per minute and includes a 2 minute timer to ensure recommended brushing time. The compact brush head includes spiral bristles and polishing cups to remove surface stains, and a cheek & tongue cleaner that removes odor causing bacteria. 

• Battery powered toothbrush that uses 20,000 strokes per minute of sonic vibrations for a more quiet brushing experience
• Soft toothbrush spiral bristles and whitening cups help remove surface stains
• Provides 5X plaque reduction along the gumline versus an ordinary manual toothbrush while being gentle on gums and teeth
• Compact brush head helps clean hard to reach areas and features a cheek and tongue cleaner behind the brush head for more cleaning 2 minute toothbrush timer helps ensure recommended brushing time
• Slim design and lightweight handle for easy control of the vibrating toothbrush
• Brush head is replaceable and must be purchased separately
• Includes AAA batteries