Waterproof DesignIPX7 waterproof and Magnetic charging port of the water flosser to provide dual waterproof protection. USB cable charging (Box don't include charger head),can be charged by any 5V USB output charger head. Provides 2-minute intelligent power-off protection in the design of this portable water flosser to increase security.^ Multiple cleaning modesDental flossers have four cleaning modes (30 ~ 110PSI) for adjust the mode to choose the right needs for your mouth. power water flosser different modes work differently, choose according to your situation.Suggestion: first time users recommend using the suitable needs mode .^ Included accessoriesThis electric flosser for teeth come with 6 Multifunctional Nozzles3 Standard Jet Tips, 1 Orthodontic Tip, and 1 nasal cleaning nozzle, 1 periodontal pocket nozzle. The rechargeable oral irrigator has a capacity of 2000mAh, can be charged for 5 hours, and can work for two weeks.(Two to three times a day).^ Effective Deeply Clean TeethWater flosser for teeth, High pressure water pulse 1600 times/min, Nozzle diameter is 0.6mm, emove oral odor, plaque and physical residue between teeth effectively, Ensure your oral hygien, allows you and your family to thoroughly wash away dirt from your mouth.^ Quality AssuranceIf you have any questions, please feel free to contact us and we will be happy to solve your problems.