Audio listening system

FIG. 1 is a front perspective view of an audio listening system showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side perspective view of the earbud of an audio listening system showing our new design, shown separately for purposes of illustration;

FIG. 5 is left side perspective view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a left side view thereof.

The broken lines within the Figures show portions of the audio listening system that form no part of the claimed design.