If this massager is applied on a portion of the body that hurts, the pain will go away and no feel more current. If this massager is applied on a portion of the body that no pain then you will feel more current. Warm Tips : Please stick the electrode patch first, and then slowly increase the pulse intensity, do not firstly open the high-grade pulse and then stick the electrode patch on the body to avoid suddenly of electric stimulation. ADVANCED TECHNOLOGY : Perfect combination of traditional & high tech massage nursing. Adopting intelligent technology, massage technology and simulation of manual massage.