Three-speed adjustment, gentle mode, high pressure mode and pulse mode.The whole machine is IPX6 waterproof and supports washing.Comes with five different replaceable nozzles, you can choose according to your needs.The ultra-fine water stream cleans thoroughly, massages the gums, and solves various problems in the mouth and gums.350ml large-capacity water tank, no need to add water frequently when using.USB charging, large-capacity battery, can last 15-20 days on a single charge.Product Name: Electric Teeth Rinsing DeviceMaterial: ABSSize: 23.5*8*8Battery capacity: 800mAhCharging time: 4-6 hoursLife time: about 20 daysNoise: 65dbWater tank capacity: 350mlWaterproof rating: IPX 6Applicable people: over 10 years oldProduct list: host *1, charging cable *1, manual *1, nozzle *5