These yellow sponge covers serve to ensure electrical contact between the skin and hand electrodes. The water in the sponge layer transmits the frequencies more effectively than simply holding the hand electrodes by hand. This avoids having to wrap the electrodes with wet kitchen paper.
Strip the sponge covers dry onto the hand electrodes and then thoroughly wet them. Then connect them to the parasite zapper or another frequency device.
You can wash the sponge covers in the washing machine, at max. 30° C.
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