Everyone knows what a foam roller is. This is a roller on “legal steroids” 

There are 4 speeds, very defined levels of vibration. If you need just a little, you’ll get it. If you need more, you’ll get more.

After a long day, sit in a chair, pul roller behind you, turn it on, and you'll feel an “ahhh feeling.”   Feels so good, when you place this on any part of your body.

Use much like a foam roller, but with bigger benefit. Roll it over sore parts of your back, and feel great.