USB電熱頸椎熱敷帶：佩戴方便,舒適,行走自如
適用：頸椎綜合症,頸椎間盤突出症,術後固定治療

使用USB插入USB端口獲取電源時，輸出約為5V / DC：
最高（紅色）：溫度為50℃，高溫，可長時間使用；
中等（白色）：溫度為45℃，溫暖，可長時間使用；
最低（藍色）：溫度為40℃，不冷不熱，可長時間使用。
PS：如果將其連接到輸出電流高於500mA的移動電源，則溫度可能高於上述溫度。

USB electric heating cervical spine hot compress: easy to wear, comfortable and easy to walk
Application: Cervical syndrome, cervical disc herniation, postoperative fixation treatment

When using USB to plug into the USB port to get power, the output is about 5V/DC:
Highest (red): The temperature is 50℃, high temperature, can be used for a long time;
Medium (white): The temperature is 45℃, warm, and can be used for a long time;
Lowest (blue): The temperature is 40°C, neither cold nor hot, and can be used for a long time.
PS: If you connect it to a mobile power supply with an output current higher than 500mA, the temperature may be higher than the above temperature.