1. When using, please wrap the shoulder neck on your shoulder and connect it correctly.

2. Connect the plug to the power supply and press the red button to open the key. At this time, the display will light up.

3. Turn on the power supply, and press the mode key to display three modes (hot compress, warm compress and fat dissolving) and work.

4. When you press the setting key, you can freely set (increase the key or decrease the key) the temperature and timing duration.