Tens Machine for Pain Relief, Dual Channel TENS Machine for Pain Relief with 12

Tens Machine for Pain Relief, Dual Channel TENS Machine for Pain Relief with 12 Modes, 40 Intensities, 4 Tens Machine Pads, Back Pain Relief, Tens Machines. Equipped with 4 sticky tens machine pads, the innermost layer is made of hydrogel, which is skin friendly.

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