Cordless Advanced features a magnetic 4-hour rapid charging system, ultra quiet operation, waterproof design, and global voltage. It's perfect for small spaces, travel, and use in the shower. Removes up to 99.9% of plaque from treated areas and is up to 50% more effective for improving gum health vs. string floss. This model comes with 4 tips, 3 pressure settings, 360-degree tip rotation, a travel bag, and global voltage. Waterpik is the #1 recommended water flosser brand, clinically proven and accepted by the American Dental Association (ADA). Comes with 2 extra classic jet tips