TomTop offers the Anjiela Automatic Electric Wireless Charging Toothbrush in White for $29.99 with free shipping. That's the lowest price we could find by $8. It features a 360-degree ultrasonic brushing design that can clean your teeth in 10 to 15 seconds.

Note: This item ships from China and may take up to six weeks to arrive. The countdown timer on the product page does not reflect an actual expiration time and resets daily.