Stop being bothered with muscle pain from your all regular, repetitive or prolonged activities. The Carepeutic Trigger Point Targeted Spot Shiatsu Massager utilizes the importance of ergonomics and knowledge of body posture to provide targeted deep muscle massage. It is the ultimate pain relief massager for shoulder stiffness, neck pain, hand numb, waist pain, knee pain, and muscle soreness. Its handheld design and its built-in rechargeable high capacity lithium battery makes carry-on possible. Its two sets of kneading nodes provide deep tissue shiatsu massage with three selective intensities and two selective massage programs. The patented built-in micro control board on hand strap gives you ease of use during massaging. Overheat protection and automatically shut off with its preset massaging timer. Powered with AC outlet directly or with built-in battery. AC charger included.