This is a pet brush with a mist function. It's for both dogs and cats, and with a push of the button on the back of the brush, you can easily lift and remove the collected hair from the brush. Also, by adding water with the included dropper, you can generate mist from the brush, preventing hair from flying around, and allowing you to mist-clean even pets that dislike water. The mist function is charged with the included USB-C cable. I have two, so I'm selling one. I used it only once with tap water. The condition is very clean, as shown in the photos.