Note: 1. Two electrodes must be placed on the surface, otherwise it will not work._x000D_2. If your skin is damaged, you cannot put electrode pads on it._x000D_3. Make sure the pad is connected to the machine. Then turn on the machine. specification: _x000D_Item Type: Electrode Pad_x000D_Material: Non-Woven Fabric_x000D_Button Size: Approx. 2.2mm / 0.1in_x000D_Applicable Symptoms: Waist pain, back pain, shoulder pain, sore throat, leg pain, arm pain_x000D__x000D_Instructions for Use:_x000D_1) This product cannot be used alone, it can only be used with a barrier test device or a swallowing physiotherapy machine._x000D_2) When using, we recommend that you gradually increase the strength from strength 1 to a satisfactory strength, and you must ensure that the patch is well connected to your skin._x000D_3) If there is a tingling sensation during use, please move to a suitable position and try again. Please make sure your skin is clean. Features: 1The electrode pad has a fine appearance, neat edges and no glue overflow, convenient for use. 2The conductive adhesive layer of the electrode pad is not easy to cause irritation to the skin. 3After 15 minutes of using the electrode pads, the adhesion is still strong and good, practical. 4The electrode pad is made of high?quality non?woven fabric to ensure durability and excellent performance. 5It is relatively soft and breathable. Self?adhesive, no additional tape is required. It is reusable. 6The specially designed holes release the generated heat, bringing more comfort and less stimulation. PackageList: 2 x Electrode Pad