The UTK Far Infrared Heating Pad for Back is designed to provide 5 times the pain relief with its 21 x 31 inch size, making it ideal for targeting muscle aches, joint stiffness, and localized discomfort. Powered by electricity, it features 3 settings and a wattage of 160.0, ensuring customizable heat levels for maximum comfort. Made with tourmaline and jade stone material, this heating pad offers soothing relief with its far infrared technology. The sleek black color and durable construction make it a convenient and effective tool for improving overall health and wellness.