EMS Tens Neck Back Massager Mini Electric Pulse Cervical Back Muscle Stimulator Arm Relaxation Pain Relief Spine Massage Pads. Applicable parts: waist, buttocks, legs, back. (5) Unlike the existing general massaging devices that only rub the outside of the muscles, massager uses to stimulate the inside of the muscles as well, to enhance the blood circulation effectively for quick recovery from fatigue.
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