?Portable Design & Large Capacity Battery Powered?Portable water flosser can be fully charged in only 4 hours and can be used continuously for 15-20 days. USB interface charging design, suitable for a variety of charging devices. This Rechargeable Cordless Water Flosser comes with a storage bag for easy storage and can be used anywhere, at home, in the office, on a business trip or on the go. ?5 Nozzles and 360°Rotation to clean teeth?Cordless water flosser comes with 5 nozzles: 2 standard jets, 1 tongue cleaner, 1 orthodontic head, 1 periodontal head that can be combined with your Family use together. It also features a 360°swivel nozzle design, which makes it perfect for anyone with braces, implants, crowns or periodontal pockets. The beautiful packaging is also very suitable for your family, friends as a gift. ?5 Cleaning Modes Optional?The dental oral irrigator has 5 cleaning modes to meet the oral hygiene needs of most people: Soft, Gentle, Normal, Strong and Pulse. Before turning on the device, put the nozzle in your mouth to help prevent spraying everywhere, and it is recommended to select the soft mode for the first use. ?270ml Large Capacity & Removable Water Tank?Sejoy 270ml large capacity water flosser, can be used continuously for up to 90 seconds, enough to clean the whole mouth without refilling water multiple times. Due to the removable design of the tank, cleaning the inside of the water floss tank is easier. IPX7 waterproof design, prevent water leakage, can be used for bathroom shower. ?Deep Clean Teeth?Water Flossers for Teeth Cordless adopts upgraded professional pulsation technology and ergonomic design to help you clean every corner of your mouth. This flossing system removes food debris and stains that conventional toothbrushes and flossing cannot remove, helps improve tooth and gum health, effectively massages gums and promotes blood circulation.