1. After the power is turned on, the indicator light is on, that is, charging is started. If the indicator light is not on, unplug the power and check whether there is any problem. When the temperature reaches a certain level, the indicator light will turn off. Unplug the power as soon as possible, and do not charge for too long
2. When charging, keep away from the charging warm-hand treasure and try to avoid serious injury in case of accident. But don't leave people at home when charging. In case of any accident, it's better to deal with it in time.
3. Daily care: because of the principle of internal electrification, it is often impossible to directly stain and wash. If the exterior is ceramic, wipe it with a dry cloth. If there are hard to stain or discolor, wipe it with some detergent and then wipe it with a dry towel.
4. Note during use: there are many kinds of hand warming bags on the market. You can choose one for your charging hand warmer. This can not only insulate the heat and avoid overheating, but also ensure the appearance of the charging hand warmer.
