ITEM NAME:Electric Heated Knee Pad Warm Leg Wrap Belt Brace Arthritis Pain Relief BX Description: Name:Heated Knee Pad Color : black Material:Diving cloth Functions 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 The heating pad has a built-in mesh bag (13.5*18cm), if need be, 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/500mA: Highest (red): the temp is 131-134.6℉ï ¼Ë†55℃-57℃ï ¼â€°, hot, for long time use. Medium (white): the temp is 113-118.4℉ï ¼Ë†45℃-48℃ï ¼â€°, warm, for long time use. Lowest (blue): the temp is 96.3-104℉ï ¼Ë†36℃-38℃ï ¼â€°, 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 7.9V/1.1A: Highest (red): the temp is 176-194℉, supper hot and heats in seconds, 10 mins later you may need change to a lower heat setting. Medium (white): the temp is 167-176℉, very hot, 30 mins later you may need change to the lowest setting. Lowest (blue): the temp is 118.4-122℉, warm, for long time use and temp buffering. Featuresï ¼Å¡ Fast-heating 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. Supper comfortable for use Adjustable and stay in place: two bifurcate straps design, hook and loop closure, the heating pad can wrap around and be locked at any leg or arm positions where you need heat compress, you needn't hold it by hand any more. With a built-in mash b.Supper comfortable for use. Lowest (blue): the temp is 96.3-104℉ï ¼Ë†36℃-38℃ï ¼â€°, lukewarm, no need to use this setting. With a built-in mash bag, put a ice bag in, you can use it for cold therapy if need be.