<p>[Nano-Deep Clean] Achieve Deep Cleaning, Enhanced Gum Health, and Fresher Breath: This water dental flosser utilizes advanced 0.3mm + 0.3mm ultra-fine dual-thread water pulse technology, professionally recommended by an American dental team. With powerful water pressure pulses of 1600-1800 per minute, it effectively removes 99.9% of dental stains, ensuring a thorough clean. It also massages the gums and helps combat oral issues such as bad breath [Professional Medical-Grade Flosser] BPA-Free 300ml Extra-Large Water Tank, No Frequent Refills Needed: This upgraded water dental flosser features a 300ml tank, providing twice the capacity of previous models. It eliminates the need for frequent refills, making your oral care routine more convenient and efficient. [Multi-Application Water Tooth Cleaner] 50-Day Extended Battery Life, Perfect for Portable Use: This water dental flosser features an eco-friendly, long-lasting battery with double the life of standard models. A quick 3-4 hour charge provides up to 50 days of use. Its compact, lightweight design makes it ideal for both home and travel. Equipped with a USB cable (adapter not included), it's the perfect companion for on-the-go use, offering a hassle-free, extended battery life. [Full-body Washable] IPX7 Waterproof and 3-Year Longevity: This cordless water dental flosser offers enhanced waterproof protection, making it safe for use in the shower and easy to clean. With an upgraded motor delivering more efficient dual-stream water flow, it ensures a longer 3-year lifespan, outlasting comparable products. [Considerate 4 Modes] User-Friendly and Safe: Professionally assessed by a U.S. dental team, this flosser offers four adjustable modes tailored to meet the needs of 99% of various age groups, delivering peak performance and durability. The ergonomic handle and five interchangeable nozzles provide a comfortable and versatile cleaning experience.</p>