- Residue cannot be removed even by brushing. Oral cleaning that does not hurt the gums that water floss can’t do, gum cleaning and orthodontic cleaning2. Three modes of 70-120PSI strength, 0.65cm water column begins to gradually strengthen the water, absorb the water point, energy is not gum at the same time, easier to operate and clean the finger force3.5h full charge can work continuously for 2 months, tilt angle nozzle design, 1600 times/high frequency brush cleaning, 140ml water tank, good to use4. The nozzle can be carried in the top magazine, and the water tank can be stowed, which is convenient for daily carrying in the travel office5. Edible-grade substances, safe and secure, the nozzle box is carried, 4 nozzles are given as a gift, no worries after one year of use