Advanced Red Light Therapy Knee Pain Relief BeltGet fast and effective relief from knee pain with the AeroKnee Dual Wavelength Red and Infrared Light Therapy Belt. This easy to use, at home solution helps you recover and move more comfortably without surgery or medication. Say goodbye to knee pain and hello to a more active you! What You Get Dual wavelength technology: 660nm red light and 850nm infrared light work together to repair surfaces and relieve deeper tissues, promoting faster healing. LED