Professional Back and Neck Massager: The heated back massager comes in a unique shape, 4 inches longer than ordinary massage pillows. The ergonomic design perfectly molds to the neck and back to provide most comfortable massage experience. Suitable for use on different areas, including lower & upper back, shoulders, neck, calves, thighs, feet, arms, and waist. Thanks to the adjustable strap, the neck shoulder massager can be affixed to your chair for optimal convenience and comfort.