Waterpik Water Flosser WF-21 Cordless Oral Irrigator

My wife's foreign friend said, This is great~ so I bought it right away, but after using it 2-3 times, she seemed to realize that Japanese people prefer simple toothbrushes.

A cordless oral irrigator with two water pressure settings.

[Product Name]
Waterpik Cordless Enhance WF-21
[Product Condition]
Used 2-3 times by my wife
[Set Contents/Accessories]
1 Main unit
2 Types of nozzles
1 USB charging cable
Box and instruction manual included