FIVE S FS8801 Shiatsu Neck and Back Massager with Heat Deep Kneading Massage for Neck, Shoulders, Back, Legs, Feet for Home, Office, Car - Beige Note: This is not cordless. There is no battery in it. It must be plugged in for it to work. 8 deep-3D-Rotation kneading Shiatsu massage nodes. Soothing heat function. Overheat protection and automatic shut off in 15 minutes. 3 speeds or intensities (low, medium, high). 2 massage directions. The convenient arm loops allow you to control how much pressure is applied to your body as well. The combination of massage and heat therapy will help increase blood circulation and relieve muscle soreness, pain, stiffness, tension and stress. This massager can be used for various parts of your body such as neck, shoulders, back, abdomen, arms, thighs, calves and feet. FIVE S FS8801 is just what you need after a hard day's work to relax, from your neck, all the way down to your feet.