First of all, the external sound and the sound of headphones will interfere, and after a long time, it will have a certain impact on listening.

The most important thing is to focus on your body when you exercise. In this way, if there is any discomfort in the body, it can be found at the first time to avoid sports injuries.

If you run in the gym, the effect will be better. If it is outdoors, the environment is complex, the attention can't be concentrated, and there are hidden dangers of traffic accidents.