4 Replacement Jet Tips & Quality Assurance: 4 colorful jet nozzles for family use. 300ml Detachable Water Tank: The water tank of water flosser has an exclusive patented internal leak-proof drain and detachable design, allows you to thoroughly clean the limescale more easliy. 3 Cleaning Modes and IPX7 Waterproof: The oral cleaner with low noise design, has ordinary, gentle, and pulse modes to meet various oral needs. IPX7 waterproof design make dental floss safe to use in bathroom shower. Long Battery Lifetime & Portable Design: Our oral irrigator equipped with powerful rechargeable battery that can be used continuously for 15 days once fully charged. The USB interface is applicable to a variety of charging equipements, perfect for traveling. Latest Pulse Technique for Deep Cleaning: This cordless water flosser adopt with the latest water flosser pulse technique, 30-120PSI pressure range, 1400-1800 times/minute high-pressure water pulse, 360°rotating nozzle, can powerfully clean 99.99% food debris and plaque in every corner.