* Vigorous tapping massage relieves stress and enhances relaxation

* Reaches between your shoulders and upper back muscles

* Powerful back tapping massage system

* Easy to operate

* 3 auto programs to choose from, you can enjoy neck and back tapping synchronously or separately

* 9 levels of intensity options for you to choose

* Portable design for home and office use

* You can enjoy your shoulder massage without your hands pulling the strips

* The first integrated knocking system in the world