Electric Heating Warm Shoulder Protector To Relieve Shoulder Pain USB Model 1. The built-in heat pad warms the shoulder, improves blood circulation and relieves pain such as sore shoulders. It can also help relax shoulder muscles and speed up healing time. 2. The built-in mesh bag can be put into an ice pack for cold compresses or into a moxa pack for moxibustion 3. The shoulder brace can also be used as a compression shoulder brace. Do not wear at high temperatures for more than 5 minutes to avoid burns. Medium temperature (white light) is recommended. 4. Material : Diving fabric 5. USB input voltage: 5V DC 6. Adapter input voltage: 7.9V AC 7. Gear temperature. -Third gear (blue light) USB temperature of about 38 degrees Celsius. -Third gear (blue light) adapter temperature of 40-45 degrees Celsius. -Second gear (white light) USB temperature of about 41 degrees Celsius. -Second gear (white light) adapter temperature of 46-55 degrees Celsius -First gear (red light) USB temperature of about 45 degrees Celsius -First gear (red light) adapter temperature of 56-65 degrees Celsius. 8. Light temperature. -White light: temperature range 40-50 degrees Celsius 104-122 degrees Fahrenheit -Blue light: temperature range 50-60 degrees Celsius 122-140 degrees Fahrenheit -Red light: temperature range 60-70 degrees Celsius 140-158 degrees Fahrenheit 9. Mesh bag size: 17.2 x 11.5cm (can be filled with moxibustion pack, ice bag, etc.)