Oral Irrigator USB Rechargeable Water Flosser Portable Dental Water Jet 220ml Water Tank Teeth Cleaner3 Mode Intensity:The oral irrigator is 3 modes available including normal, soft and pulse mode. By using it 2-3 times a day, you can prevent tooth decay/gingival atrophy/bleeding gums/dental calculus, etc. 220ml Water Tank:The water jet toothpick is designed with a 220ml capacity water tank, which has a good lifespan and is convenient for daily use without a second fill needed. Efficiently Teeth Cleaner:The dental water flosser can efficiently reduce food residue, germs and dirt, helping people improve oral condition maintain oral health, ideal for people who have dental implant, or wear braces or retainer.Package Included:4 x Sprinkler, 1 x USB, 1 x Instruction