20 replacement electrodes with 3.5 mm push button - for targeting multiple body areas - Compatible with most TENS devices

Premium electrodes: Enhanced carbon film, good conductivity, low impedance, and uniform current distribution. Reusable, medical-grade electrodes: Biocompatible, non-irritating, latex-free, and hydrogel-free, offering excellent environmental adaptability. Optimal adhesion and ease of use: Good grip, quick application, easy removal, and resistance to drying out; individually wrapped for convenient storage and use. Universal compatibility: Works with most TENS and EMS devices on the market with 3.5 mm push-button connectors; small, medium, and large electrode sizes allow you to target different massage areas for an optimal experience.