Sharper Image Calming Heat Massaging Neck Wrap weighted clay bead filling, soothing heat and relaxing vibrations. 9 combinations: 3 heat settings & 3 massage intensities. Combines therapeutic heat with relaxing massaging vibration and targeted weighted pressure. Helps to provide instant soothing relief. Targets pressure points to relieve tension and soothe muscles. Weighted clay beads provide gentle pressure to enhance massaging vibrations and evenly disperse soothing heat. Adjustable design - extender strap for custom comfortable fit. Made of high quality, comfortable, breathable fabric that feels like a warm hug against your skin. 9 ft USB cord with wall adapter (wall plug included).