Long Press 2 Seconds to Turn On / Turn Off . Press 1 Seconds to Switch Modes . Professional Oral Irrigator The strong, pulsating water jet flushes out food particles where the toothbrush cannot reach. It also washes away loosened plaque from the spaces between the teeth and gently massages the gums. Regular cleaning assists in the prevention of gum disease and improves your personal dental and oral hygiene. Outer Space Design Fashion appearance with future tech design , Exquisite production technology to offer high quality products . Multifunctional Water Flosser COSOUL Water Flosser can blasts away plaque and debris between teeth and below the gumline for a deep and thorough clean. Provides an easy and effective way to support proper teeth and gum health at home. This oral irrigator is also perfect for anyone with braces, implants, crowns or periodontal pockets. 3 Modes Standard Mode : for daily cleaning , remove food residue and stains between teeth . Strengthen Mode : Fit for Orthodontic brace to deeply clean teeth every day . Dot spray Mode : Pulse flush ,massage gums ,clean teeth . IPX7 Waterproof allow to be used at bath and shower, don't worry about getting damp in bathroom . It can be washed in water directly . 4 different nozzles: there are 4 types of nozzles meet your different needs: standard nozzle orthodontic nozzle tongue scrapping nozzle perionontal nozzle Standard Nozzle : for daily cleaning , remove food residue and stains between teeth . Orthodontic Nozzle : Fit for Orthodontic brace to deeply clean teeth every day . Perionontal Nozzle : Fit for Periodontal pocket clean , massage gums . Tongue Scraper : Remove residual food on tongue surface ,keep mouth fresh . Anti-slip Design Exquisite non-slip design to prevent falling and protect the product . Long press 2 seconds to start , Safe lock design to fix the water tank USB CHARGING -- Global Version Can be charged by Power Adapter , Power Bank , Computer . It's very convenient . Warm Tips: 1. If You Want To Use With Mouthwash Or Anti-bacterial Rinses,Follow The Suggestions Of Your Dentists Or Hygienist 2. Don't Face To Your Eyes When You Turn On The Oral Irrigator , Avoid the water jet into eyes .