Complete Oral Care for 2 – AquaSonic Duo provides complete oral care in one simple countertop setup. Duo features 2 modern smart toothbrushes with the latest oral care technologies including 40,000 vibration per minute motors, true wireless charging, 3 unique modes including modes for whitening teeth and gum health, 30-day battery life, in sleek midnight black and optic white brush handles. Duo Series comes with 12 additional accessories including 10 DuPont brush heads and 2 travel cases. Modern Technology for a Healthier Smile - Each Duo toothbrush brings your oral health routine into modern times with its built-in enhanced features. Super-fast wireless charging, 3 distinct brushing modes and a smart vibrating notification timer are some of the enhanced features built into the sleek and ergonomic waterproof black and white satin handles. Convenient Modern Home & Travel Set-Up – Duo is perfect for couples, kids or anyone in between. A simple dual wireless charging dock takes up a few inches of countertop space while adding a sleek modern element to your bathroom. Duo’s 30-day battery life means it’s also perfect for travel – simply put your duo in its included travel case and take it on the go while leaving the charger at home. All The Extras are Already Included - Every Duo set comes with 10 brush heads engineered by world famous DuPont; a world leader in quality & materials science. Also included are 2 convenient color coded custom hard shell travel cases made of BPA-free plastic with space for two brush heads. No need to buy expensive brush head refills or extra accessories. It’s already in the box. What's Included - 1 Midnight Black Smart Toothbrush, 1 Optic White Smart Toothbrush, 1 Dual Wireless Charging Dock, 2 Travel Cases, 10 DuPont Brush Heads, warranty card, and user manual.