Universal Compatibility; Universal pigtail electrode pads fit most TENS (Transcutaneous Electrical Nerve Stimulation) units, EMS (Electrical Muscle Stimulation) massagers, and muscle stimulators. Pads are comfortable to the touch, featuring white non-woven backing with black carbon conductor and premium gel adhesive. Reusable TENS electrodes designed for multiple uses when applied and removed with care. Excellent conductivity. Self-adhesive TENS unit electrodes are conductive and compatible with standard 2.0 mm pin connectors. Safe, latex-free pads are non-irritating to the skin. Equipped with 2.0 mm female connector to fit 2.0 mm male plug. TENS electrodes are soft and comfortable for use. Made with soft non-woven backing, flexible material easily conforms to body contours. Ideal for use on back, shoulder, leg, arm, neck, calf, and other areas. Black carbon conductor ensures reliable conductivity without shocks during therapy sessions. Replacement electrode pads proven effective for electrotherapy. Pre-gelled with latex-free adhesive, these TENS unit pads are gentle on skin and suitable for daily pain relief treatments. Color: White Material: Non-woven Warm Tips: Before Application: 1. Clean and dry the application area. Apply only to unbroken skin. 2. Open and remove electrodes from packaging. Keep original packaging for storage. 3. Peel electrodes from release sheet by lifting the edge. Do not pull by the wires. 4. If pads appear dry or lack adhesion, lightly moisten gel with water and wait a few minutes to rehydrate. 5. Place electrodes on treatment area. Press firmly around edges and across entire surface for proper skin contact. Removal: 1. Gently peel off electrodes. 2. Clean with a non-alcohol wipe or rinse with cold water. Allow to air dry completely. Keep sticky side facing up. 3. Return sticky side to clear backing sheet and store in original packaging. 4. Store in a cool, dry place away from direct light and extreme temperatures. Refrigeration may extend lifespan. Package Includes: 40PCS Wired Electrode Pads Note: Light and display differences may cause slight color variation between image and actual product. Measurement may vary by +/- 1-3 cm.