Self-heating lattice, fit the skin to produce heat, deep joints, lock the temperature Built-in six magnets, even massage points warm and breathable Increase the area of heat Release the far-infrared wave with a wavelength of microns, relieve tension, active Item Type: Braces & Supports Type: Massager Magnetic Therapy Spontaneous Heating Bel Material: Magnets of knitted fabric Color: BlacK Package: 1 pair Braces & Supports Brand No Brand SKU 101198119_NP-1021922159