AUVON Dual Channel TENS Unit Muscle Stimulator with 20 Modes, Rechargeable TENS Machine for Back/Neck/Lower Back/Leg/Muscle Pain Relief, with 4pcs 2" and 4pcs 2"x4" Electrode Pads (Black) auspowers_batchone Unused chemicals can seep into

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AUVON Dual Channel TENS Unit Muscle Stimulator with 20 Modes, Rechargeable TENS Machine for Back/Neck/Lower Back/Leg/Muscle Pain Relief, with 4pcs 2" and 4pcs 2"x4" Electrode Pads (Black) auspowers_batchone Unused chemicals can seep intoAUVON Dual Channel TENS Unit Muscle Stimulator with 20 Modes, Rechargeable TENS Machine for Back Neck Lower Back Leg Muscle Pain Relief, with 4pcs 2" and 4pcs 2"x4" Electrode Pads (Black) Read more HOW TO USE Connect the wire with AUVON TENS Electrodes. Tear off the transparent film attached to the electrodes and stick them one your body. Plug the lead wire(s) into the AUVON TENS unit and turn it on. Press "A" to select Channel A. Press "M" to select