ADA Accepted Toothbrushes with Powerful Technology: Duo Series PRO is the next generation of the customer-favorite Duo Series, now with more advanced technology. Its powerful 50,000 vibrations per minute motor with smart timers and 5 brushing modes—including Clean, Soft, Whiten, Massage, and Deep Clean—provide a customized oral care experience for healthier teeth and gums. Wireless Charging & Long Battery Life: Enjoy the convenience of wireless charging and a long-lasting battery that gives you up to 30 days of use on a single charge. Perfect for daily use at home or while traveling without constant recharging. Waterproof & Ergonomic Satin-Touch Handle – Designed for durability and comfort, the Duo Series PRO boasts a waterproof IPX7 rating, allowing you to brush in the shower. The sleek satin-touch handle ensures a comfortable, non-slip grip for an effortless brushing experience. 10 Replacement Brush Heads with 2 Travel Cases Included – Save on replacements with 10 included ProFlex brush heads, designed to last for over a year's worth of brushing, for 2 people. The premium travel cases add extra protection and hygiene, making it easy to bring your toothbrush wherever you go. Includes: 2 toothbrush handles, 10 ProFlex brush heads, 2 premium travel cases, dual wireless charging base. Aquasonic Duo Series Pro