Certification:UL,RoHS,CE Application:LeG Model Number:knee pads for joint pain Item Type:Massage & Relaxation Material:Composite Material Origin:Mainland China Feature 1:knee temperature massage Feature 2:knee brace for joint pain Feature 3:rechargeable heat knee pads Feature 4:knee brace for pain Feature 5:knee massager for knee joint pain Feature 6:cold compress for knee pain Feature 7:knee joint pain relief Feature: 1. Relieve knee pains associated with arthritis, bursitis, strains, sprains, ACL PCL MCL meniscus tear. 2. Aid in knee injury or surgery recovery. 3. Leg or arm muscle fatigue soreness, cramps relief. 4. Knee warm keeping. 5. Other situations that need hot compress. Can put the ice bag to cold compress (ice bag not including) 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/DC: Highest (red): the temp is 111.2/44, hot, for long time use. Medium (white): the temp is 105.8/41, warm, for long time use. Lowest (blue): the temp is 100.4/38, lukewarm, no need to use this setting. 2. When use the AC adapter, the fixed output is 8.5V/DC: Highest (red): the temp is 158/70, supper hot and heats in seconds, 10 mins later you may need change to a lower heat setting. Medium (white): the temp is 131/55, very hot, 30 mins later you may need change to the lowest setting. Lowest (blue): the temp is 113/45, warm, for long time use and temp buffering. 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. HOW TO USE Package Inculding: 1*Unit 1*USB Cable OR EU/US/UK PLUG(Optional)