With the development of the water flosser technology, a rechargeable portable water flosser has emerged. The main unit uses a rechargeable battery as a power source. When it is used, it only needs to be charged, and it can be used for one to two weeks. Because the portable water flosser main unit is small in size, the body does not have wires, it does not require an external power supply when used, and is suitable for daily use. It is also suitable for out-of-home use or in places where there is no power supply. For orthodontic people (orthodontic braces), portable water flosser are more suitable for them because they need to clean the food on the braces after each meal, because they can be used in any occasion. For more users, they prefer The reason for the portable water flosser is that it does not require plugging in when used, and there is no long wire for the desktop red teeth, which is more convenient to use.