Headphone assembly

FIG. 1 is a front perspective view of a headphone assembly according our design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top elevation view thereof;

FIG. 7 is a bottom elevation view thereof;

FIG. 8 is a rear perspective view thereof; and,

FIG. 9 is a front perspective view of the headphone assembly of FIG. 1 in a configuration where the headphone assembly is attached with additional environmental features, as shown in the figure.

Broken lines are environmental only and form no part of the claimed design.