1.5 Modes and high frequency pulse:Cordless water dental flosser uses high-frequency pulse to deeply clean your teeth and mouth, designed with 5 cleaning functions, which are Soft, Medium, Powerful, Pulse, and DIY, of which the DIY mode is a special mode in the power dental flosser, you are able to adjust it according to your preferred water pressure, which brings a comfortable cleaning experience(Please choose soft mode when you use dental water flosser at the first time). 2.Deeply Teeth Clean——Water dental fosser teeth pick equient with top quality motor with 1100~1800 times water pulses per minute and 360 ° rotatable nozzle.Water flosser removes up to 99.99% food residue every corner. Suitable for all the groups,specifically for the braces. 3. design——IPX7 waterproof design is adopted for both internal and external of the machine to provide dual protection, which prevents leakage and allows the water flosser to be used ly for shower in the bathroom. (Note:Do not immerse in water). 4.Easy to charging& Long-lasting :Water dental fosser teeth with a type-c charging port,which can be applicable to a variety of charging equipements such as power bank, computer, laptop.Charge for four hours, can be used for 15-30 days, work trips, travel can be satisfied.