Easy & EfficientThe water flosser can massage the gums and improve periodontal health problems, such as preventing tooth decay, plaque and bleeding gums. It& 39;s 50% more efficient than flossing, which is perfect for the general and orthodontic population.^ Collapsible Cordless Water Flosser300ML detachable water tank, IPX7 waterproof design, it can be used safely in the shower. Using food-grade stainless steel straws, a nozzle can be stored on the back of the fuselage, which is clean and portable.^ Upgraded Pulse Technology & Deep CleaningNewly upgraded pulse technology: 30-120 psi pressure range, 1600 times/min pulse rate, 360 rotatable nozzle. Four cleaning modes: High, Medium, Pulse, Low, effectively remove residues that cannot be touched by traditional brushing and dental floss.^ Portable & Long Battery LifeBuilt-in 2000 mAh lithium battery, Type C charging port. Charging 4 hours can be used continuously for 25 days. Compact size and easy to carry, suitable for family, vacation, business travel, etc.^ 5 Multi-functional Water Jet Tips 2 Standard jet tips for general use, 1 periodontal jet tip for periodontal pockets, 1 nasal rinse tip for the nose clean, 1 orthodontic tip.