Bestbuy offers AquaSonic - Elite Series Electric Toothbrush - Black for $37.95 (orig. $49.95) with free shipping.

Product Description:
Beauty, brains, and power. AquaSonic Elite is a world-class modern electric toothbrush packed with cutting-edge technology. It features an upgraded and industry-leading motor producing 50,000 vibrations per minute. Elite revolutionizes toothbrushes with its advanced features. With 5 distinct brushing modes tailored to your needs and a smart vibration timer for optimal brushing time, our toothbrush keeps your smile healthy and vibrant.

• AquaSonic Elite
  Aquasonic Elite Series toothbrush with 50,000 VPM motor, waterproof design, 5 modes including Deep Clean, and a rechargeable Lithium-ion battery lasting 30 days. Includes 8 x ProFlex brush heads and a premium travel case.
• ADA Accepted
  Elite's oral care products are of superior quality. The American Dental Association (ADA) approves them for effectively removing plaque, preventing gingivitis, and enhancing gum health. Our toothbrush provides comprehensive oral care with innovative modes.
• Modern Technology
  Elite toothbrushes offer revolutionary features. The smart timer ensures optimal brushing time with 30-second intervals and automatic shut-off after 2 minutes. With a sleek, ergonomic design, Aquasonic Elite enhances your daily oral care routine for a healthy and vibrant smile.
• ProFlex Brush Heads & Travel Case Included
  Get 8 ProFlex Brush Heads by DuPont, lasting 3-4 months each for 2.5 years of superior oral care. The package includes a premium hardshell travel case for secure storage and travel convenience, fitting the handle and 2 brush heads.