Conreedual Channel Tens Unit Ems Muscle Stimulator With 24 Programs | Desertcart Malaysia
conreeDual Channel TENS Unit EMS Muscle Stimulator with 24 Programs for Pain Relief Therapy, Rechargeable Pulse Massager Machine with Case and 12 Pads for Back, Shoulder, Waist, Arm, Leg
产品编号: 515601548
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描述
How do you tell which pad is positive, and which one is negative?
