Do It Yourself! A revolutionary electronic massager with cylinder tapping action and infrared heat put the sensation of professional massage in the palm of your hand!   This back massager relaxes your tired and tense muscles, particularly for the neck, shoulder, lower back and calf areas  It accelerates the blood circulation, removes fatigue and relieves stress. It has two speed options and infrared heat.  With super lightweight and slim design, you can use one hand to hold it to work on your back.  Infrared heat helps soothing irritated nerves, dilating blood vessels and increasing cellular metabolism. It also relieves muscular tension.  Auto shut-off design to safe guard the product.