machine electric muscle stimulator ABS

Accessory name: Hydrogel gel sheets

when should replace it:

-Obviously feel the conduction performance decreased, cause decreased strength.

-when it losees its adhesiveness, the adhesive surface(gel)dries out or is gouged or diet/grime taht cannot be remove exists.

How long can the gel sheets last?

-About 30 times, if you use and maintain them it the right way.
How to maintain them in a right way:?

-Clean/dry your skin before using; Stick them back to the cardboard after using.