Features： 1、The inside is designed with a pocket, you can put moxa, safflower, ginger and other traditional Chinese medicine bags according to your own needs with carbon fiber heating, and traditional Chinese medicine physiotherapy. 2、Intelligent temperature control, three?level heating, multi?level switching, large heating area. 3、Fever physiotherapy elbow joint, relieve elbow fatigue and soreness. 4、Heating promotes blood circulation and protects the elbow joint from the cold. 5、Penetrating hot compresses relieve elbow discomfort, effectively keep out the cold and provide warmth. Specification： Condition: Item Type: Elbow Brace Size: Approx. 39 x 36 x 18cm / 15.4 x 14.2 x 7.1in Uses: Physical therapy and health care, protect elbow joints, relieve elbow pain, heat and promote blood circulation, protect elbow joints from cold Advantages: Three-speed temperature adjustment, adjust the temperature according to your own needs, hot compress can effectively dredge the blood circulation of the joints and relieve knee pain. Steps for Usage: Turn on the power, click the power switch, stop at the red light, start heating, click to adjust the color, and adjust the temperature, green low temperature, blue medium temperature, red high temperature, click to green and then click the button again to turn off heating. Package List： 1 x Elbow Pad 1 x USB Cable