Interdental massage, clean mouth, strong pulse, the whole machine is waterproof. Professional care and cleaning, solve a variety of oral problems, clean between teeth without residue; A total of 5 brush heads are provided to meet different scenarios; Gravity ball absorbs water, splash-proof silicone cover, 350ml detachable large-capacity large water tank capacity, 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 wash