Bestbuy offers AquaSonic - Elite Duo Series Electric Toothbrush Set - White and Black for $74.95 (orig. $89.95) with free shipping.

Product Description:
AquaSonic Elite is a world-class modern electric toothbrush packed with cutting-edge technology. Its waterproof, soft-touch handle houses our most powerful motor yet, which vibrates up to 50,000 times per minute for a superior clean. It features 5 brushing modes including (new!) Deep Clean, which targets stains and leaves teeth feeling smoother. Our toothbrush goes beyond mere cleaning, offering unique modes for comprehensive oral care.

• Complete Oral Care for 2
  AquaSonic Elite Duo offers ultrasonic smart toothbrushes with wireless charging, 5 modes, 30-day battery life, and 16 ProFlex brush heads. Includes sleek black and white handles, 2 travel cases, and 18 accessories.
• Convenient Home & Travel Set-Up
  Duo is ideal for couples, kids, or anyone. The dual wireless charging dock is compact, adding a modern touch to your bathroom. With 30-day battery life, it's perfect for travel. Just use the included travel case and leave the charger at home.

What's Included

• 
  2 AquaSonic Elite Series Smart Toothbrushes
• 
  10 Brush heads
• 
  Dual Wireless Charging Dock