How long does it usually take to get one megabyte of traffic?

This depends on your specific application, take WeChat as an example:

Text: The transmission of one text is tens of K, and 1M of traffic can send about 500-1000 messages.

Voice: Generally, a voice may cost 100-200K, if it takes a long time, let alone listening to music. In other words, 1M of traffic generally sends about 7 or 8 voice messages.

Picture: The size of the picture depends largely on the picture you send. A picture is 100K-300K. If you send a photo from a mobile phone, unfortunately, the photo from your mobile phone has very high pixels. , then the traffic when transmitting pictures is relatively large.