Infrared: Heats in seconds and provides comfy hot therapy for your knee. Rechargeable: Charge it up so it's ready for relief whenever you need it. Heating knee pad: Get an infrared heating knee brace! Designed to: Provide comfort and warmth to an aching knee, or calf, thigh or arm. Three heat settings: With three settings to give you control over your heat. Infrared Heating Knee Brace | Living Social | Living Social