Hold down the button for 5 seconds to turn on the heat
One Button Control 3 Heat-Settings:
1. Connect the shoulder brace to a power spurce and longpress the led button for 5 seconds to turn it on.
2. Short press the button the LED indicator will fhash ini various colors change to another heat setting.
Red (140°F to 150°F )
Blue (122°F to 140°F )
Green (104°F to 122°F )
Overheat protection: work for 45 minutes, automatically stop, play a protective role. Use the shoulder heating pad and hold the button for another 5 seconds.