Упатство за употреба на транскутан електричен нервен стимулатор YU UNIVERSE
YU UNIVERSE Transcutaneous Electrical Nerve Stimulator YUUNIVERSE Transcutaneous Electrical Nerve Stimulator (TENS) How does TENS work? A TENS unit sends electrical pulses through the skin to start your body’s own pain killers. The electrical pulses can release endorphins and other…