The Zynex 4 Medical Electrodes offer a variety of massage functions including kneading, rolling, knocking, percussion, vibrating, pain relief, and ultrasonic. These FDA & BBB approved electrodes come in a pack of 10 with a total of 40 units. The electrodes are made of rubber and lead materials, with a power source of a power cord or battery. With a voltage of 9V and a range of endurance time from 10-90 minutes, these white electrodes are designed for all body areas and are lightweight at 1 lb. Made by the trusted brand Zynex, these tens pads provide a relaxing and therapeutic massage experience.
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