The Beurer EM59 Electrodes Gel Pads are replacement adhesive pads designed specifically for use with Beurer TENS/EMS devices. These blue, square-shaped gel pads ensure optimal conductivity and contact between the device and skin during electrostimulation therapy. Key features: • Compatible with Beurer TENS/EMS devices • Self-adhesive design for easy application • Made with conductive gel material • Square shape for optimal coverage • Reusable multiple times with proper care These gel pads should be stored in their protective film when not in use to maintain adhesiveness. Replace pads when they begin losing their sticky quality or conductivity. Clean skin thoroughly before application for best results and longest pad life. The package contains 4 identical square-shaped gel pads.