The UTK Far Infrared Heating Pad for Back offers 5X pain relief with its 21 x 31 inch size and 3 temperature settings. Made with PU leather and featuring tourmaline and jade stones, this electric heating pad is designed for muscle aches, joint stiffness, and localized discomfort. The sleek black design and included instructions make it easy to use for anyone seeking relief. With a wattage of 160.0 and a voltage of 110.0, this UTK heating pad is a reliable and effective tool for improving overall health and well-being.