Audio input/output device

FIG. 1 is a top perspective view of an audio input/output device;

FIG. 2 is bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a right-side view thereof. The left-side view of the audio input/output device is a mirror image of the right-side view;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dashed broken lines in the drawings depict portions of the audio input/output device that form no part of the claimed design. The dot-dashed broken lines represent boundaries of the claimed audio input/output device and form no part of the claimed design.