Brand new never used with box and instructions. The Waterpik Cordless water flosser, WP-360 White and Blue is a portable unit with a rechargeable battery, great for travel and small spaces. Tested and trusted, Waterpik is the #1 water flosser brand recommended by dental professionals. From the first brand in its class accepted by the American Dental Association (ADA) for safety and effectiveness, the Waterpik Cordless Portable Rechargeable water flosser removes up to 99.9% of plaque and is clinically proven up to 50% more effective than string floss for improving gum health. And it removes hard-to-reach bacteria and debris that can cause bad breath, gum disease, and tooth decay. For a customized clean, choose between the High-Pressure Classic Jet Tip (for general use) or the Low-Pressure Classic Jet Tip. ADA Accepted: Waterpik is first water flosser brand to earn the American Dental Association (ADA) Seal of Acceptance for safety and effectiveness.