"Operation instruction: 1. Put the massage pillow on a fixed position, as to select the desired massage site more conveniently. 2. connect the power supply and keep it leveled 3. Turn the on/off switch to 1 level for slow massage level, and turn to ?II? level for fast massage level. 4. When you want to stop massage, turn the ?on/off switch to ?0? level, pull out the power plug from the socket, and then shut off the power."