Low quality is about 1M, etc. Generally speaking, the traffic consumed by a song is related to the quality of the song, the duration of the song, the playback mode, the playback platform and other factors. As far as the song itself is concerned, listening to a low-quality song requires about 1M of traffic. A song of average quality It takes about 3M, high quality takes about 10M, and lossless music takes more than 20M. Songs of different qualities consume different traffic.