ITEM NAME:20 Pcs Unit Pads Replacement Electrodes for TENS Unit Reusable Self AdhesiveV8X3 20 Pcs Unit Pads Replacement Electrodes for TENS Unit Reusable Self AdhesiveV8X3 Premium Quality TENS Electrode Pads: improved carbon film, good conductivity, low impedance and uniform current distribution. Reusable Electrodes: bio-compatible, non-irritating, latex-free and superior environmental adaptability of hydro-gel. Excellent Self-Adhesive Performance and Easy to Use: good sticky, quick grab, easy to peel and dry-out resisting; the individually bagged for convenience of storage and use. Universal Compatibility: work with most TENS and EMS in the market with 3.5mm snap connectors; the Small, Medium and Large pads to target different massage locations for a better massage experience. Money Back Guarantee:.Premium Quality TENS Electrode Pads: improved carbon film, good conductivity, low impedance and uniform current distribution. Wash skin thoroughly and then dry it before applying electrodes. Apply the whole surface of the electrodes firmly to the skin.