1. Interdental massage, clean mouth, strong pulse, and the whole machine is waterproof. Professional care and cleaning, solve a variety of oral problems, clean and no residue between teeth;:2. A total of 5 brush heads are provided to meet the needs of different scenarios;3. Gravity ball absorbs water, splash-proof silicone cover, 350ml detachable large-capacity water tank, and three modes can be switched at will:Gentle mode: gentle water pressure, suitable for novices and people with sensitive oral cavity. High pressure mode: high water pressure, efficient cleaning, suitable for most people. Pulse Mode: Pulse water pressure, massage gums, buffer body washProduct name: Electric tooth irrigatorBattery: 14500 Li-ion batteryBattery capacity: 800MAHProduct voltage: 5VPower: 5WCharging time: 2-3 hoursUsage time: 5 minutes per dayBattery life: 20 daysWater tank capacity: 350mlWater pressure: 30-90PSIProduct noise: 65dbApplicable people: 10 years old and aboveWork instruction: power on/white lightColour:WhiteMaterial: ABSSize:7.8 x 7.8 x 22cmPackage Contents:1 x Host5 x Nozzle1 x Charging cable1 x English manualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.