The blue circle on the head of WeChat friends is the video dynamics posted by friends, such as the following:

1, first open WeChat on your mobile phone; As shown in the figure.

2. Click on the friend with the blue circle; As shown in the figure.

3. Click on your friend's head; As shown in the figure.

4. A friend information interface appears, and click the video above; As shown in the figure.

5, you can view the video dynamics of your friends; As shown in the figure.