Dr. Scholl's DR2121Q Cushi Foot Massager has microbead filling for an extra-soft experience. It has a quick-press on/off switch and a battery compartment on the bottom. The Dr. Scholl's Body Reviver gently caresses your feet and improves your blood circulation after a long day. The Dr Scholl's Body Reviver massages your feet with Microbead Technology giving you a vibrating massage that soothes tired, sore muscles. You can use the Dr. Scholl's Body Reviver as a relaxing foot rest, a lumbar cushion, a neck massager or a pillow too.