Features: [3 Cleaning Modes] The oral irrigator has 3 cleaning modes including soft, strong, and pulse mode. By using it 2-3 times a day, you can prevent tooth decay\/gingival atrophy\/bleeding gums\/dental calculus, etc. 4 Replaceable Nozzles 1 x Classic nozzle Suitable for normal daily cleaning 1 x Dental plaque nozzle Suitable for people with periodontitis 1 x Tongue nozzle Suitable for cleaning tongue coating 1 x Orthodontics nozzle Suitable for removing food debris in the brace [0.6mm Water Flow] The water pick mouthwasher can give massage to your gums and effectively prevent gingival atrophy. [IPX7 Waterproof & 220ml\/300ml Watertank] The water jet toothpick is IPX7 full body waterproof and designed with a 220ml\/300ml capacity water tank, which has a good lifespan and is convenient for daily use without a second fill needed; easy to carry and it is USB rechargeable. It is very suitable for travel. [Suitable for Different Groups of People] This dental water jet can efficiently reduce food residue, germs, and dirt, helping people improve oral condition maintain oral health, ideal for people who have a dental implant, or wear braces or retainer; [Use Steps] 1. Fill water 2. Inset the nozzle 3. long press the power button to turn on 4. Put it in your mouth and close mouth and short press to select modes Specifications: Name: Dental Water Jet Material: food-grade ABS Color: white, pink, blue Size: as show Weight: 400g Rated Voltage: 3.7V Rated Power: 3.5W Battery Capacity: 1200mA Waterproof Level: IPX7 Smart power-off: support Packing list: 1* Dental water jet 4* Cleaner Heads