1.The device attaches to your back with a reusable adhesive

Each adhesive should last between 3 to 10 uses,depending on skin type.

2.Make sure your upper back is clean and dry

If not ,you can use the alcoholpads provided. Then , wait untilyour skin is dry.

3.Before you continue...

Your device can face up or down.

4.Now peel off the green cover

5.Place the device on your upper back

Great