2021 Hot Infrared Heating Relieve Knee Pads Pain Relief Support Brace Therapy Injury Recovery Rehabilitation For Arthritis Leg Descriptions: Fastheating electric knee pad: heats in seconds provides ultra comfy hot therapy for knee arthritis pain relief and injury recovery keeps knee warm can also be used on calfs thighs arms to relieve muscle soreness and cramps. Comfortable for use Function of the knee heating pad: Relieve knee pains associated with arthritis bursitis strains sprains ACL PCL MCL meniscus tear Aid in knee injury or surgery recovery Leg or arm muscle fatigue soreness cramps relief Knee warm keeping Other situations that need hot compress Cold Therapy:(ice bag is not included) The heating pad has a builtin mesh bag (13.5 18cm) if need put a ice bag in it can be used for cold compress. Heat setting temperature parameters for reference: 1. When use the USB cable to plug in an USB port of desktop computer to get source the output is about 5V/DC: Highest (red): the temp is 111.2H/44 hot for long time use. Medium (white): the temp is 105.8H/41 warm for long time use. Lowest (blue): the temp is 100.4H/38 lukewarm no need to use this setting. PS: if you connect it to a power bank with an output current higher than 500mA the temp can be higher than the above measurements and you can get more heat. 2. When use the AC adapter the fixed output is 8.5V/DC: Highest (red): the temp is 149H/65 supper hot and heats in seconds 10 mins later you may need change to a lower heat setting. Medium (white): the temp is 131H/55 very hot 30 mins later you may need change to the lowest setting. Lowest (blue): the temp is 113H/45 warm for long time use and temp buffering. window.adminAccountId=251549756;