The Homedics cordless Shiatsu all body massage kneads deep to loosen and comfort tight muscles. Offers a Deep Kneading Shiatsu massage that feels like a real masseuse targeting your tired neck and shoulder or back muscles. Soothing heat for added comfort. Versatile use: utilize as a pillow for the neck back and shoulders or as a versatile use massager for the thighs calves and feet. Reverse function allows you to reverse the direction of the massage just like the hands of a masseur. Rechargeable battery for total convenience and portability. The rechargeable battery has a 1 hour run time with a 3.5 hour charge time. Convenient integrated controls for ease of use. Allow you to operate the pillow anywhere. Lightweight and portable for relaxation anytime anywhere. Gray in color.