20 Pack Reusable Square Electrode Pads Self-Adhesive Gel Electrodes FDA & CE Approved

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Features: Premium self-adhesive pads, reusable with longer service time. Comfortable to skin and easy to peel off. With pig tail pin typed wires, 2mm/2.5mm Jack diameter(optional). Compatible with most Tens, EMS, pain relief machines and electrotherapy devices on market. Provide maximum pain relief massage for you.