DUO PRO Ultra Whitening 40,000 VPM Electric Smart Toothbrushes Color/pattern: black/white AQUASONIC DUO PROFESSIONAL Introducing the Duo Professional Series. Upgraded features include new smart toothbrushes with rechargeable lithium Ion batteries (1 charge = 30 days of use), upgraded ProFlex brush heads, and 4 improved modes with smart timers. A new UV sanitizing and true wireless charging base with auto timer kills 99.99% that can remain even after rinsing. Duo Pro comes complete with 10 brush heads and 2 travel cases for a total of 15 items included in the box. DUAL SMART ULTRASONIC TOOTHBRUSHES Duo Pro features gorgeous midnight black and optic white brush handles that are IPX7 waterproof rated that produce 40,000 Vibrations Per Minute. Each brush houses the latest battery technology with lithium ion power cells while featuring 4 unique brushing modes that go beyond just cleaning to whitening and improving gum health. Each handle also included 30 second smart timers that notify you to brush a new quadrant along with true wireless charging. UV SANITIZING AND WIRELESS CHARGING BASE A brand new Ultra Violet (UV) sanitizing chamber kills nearly all remaining bacteria that remain even after rinsing brush heads. UV light is a quick and highly effective way of ensuring the utmost oral hygiene while providing a neat and compact way to store your toothbrushes. A COMPLETE CLEAN FOR 2 AquaSonic removes 10x more plaque along the gum line than a manual toothbrush and 3x more plaque than legacy outdated electric toothbrushes. Whitening mode helps whiten teeth by using inverted frequencies to dissolve surface stains. Massage mode goes beyond teeth to improve gum health by delivering soothing micro-bursts into tissue to improve circulation and overall health. WHATS IN THE BOX - 1 midnight black smart toothbrush, 5 midnight black proflex brush heads, 1 midnight black travel case, 1 optic white smart toothbrush, 5 optic white proflex brush heads, 1 optic white travel case, 1 dual UV sanitizing and wireless charging base, instruction and support contact manuals. Dimensions Toothbrush: 9.78"L x 1.10"W x 1.08"H Brush Heads: 3.34"L x 0.68"W x 0.68"H Travel Case: 8.81"L x 3.17"W x 1.85"H Charging Base: 2.59"L x 2.59"W x 1.17"H Plug-In Cable Length: 49" Voltage: 3.7V Charging Time (in hours): 16-24 hours Battery Life (in hours): 1.5 hours Imported