Wireless keyboard

FIG. 1 is a top, front perspective view of a wireless keyboard showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is another side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

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

FIG. 9 is a bottom, rear perspective view thereof; and,

FIG. 10 is an enlarged view of the portion A as shown in FIG. 1 .

The broken lines are for environmental purpose only and form no part of the claimed design. The dash-dot-dot-dash lines in FIG. 1 are boundary lines showing portion A, and form no part of the claimed design.