These six self-adhesive gel pads are replacements for use with the Beurer EM 50 Menstrual Relax TENS Device.The Beurer EM 50 provides pain-killing, relaxing impulse massages and soothing warmth to relieve pain without the need for medication. The self-adhesive conductive gel pads stick snug to your body, and the in-built buttons are easy to access and simple to use. It's so discreet, you can even wear it under your clothes. With 15 TENS intensity settings you can adjust it to match your level of discomfort while the heat function helps relax cramping abdominal muscles.