FIG. 1 is a perspective view of input device with track ball showing our new design in a first configuration with no incline;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a left side elevation view thereof;
FIG. 8 is a right side elevation view thereof;
FIG. 9 is a third perspective view thereof with a cover removed from the bottom;
FIG. 10 is a fourth perspective view thereof with the cover removed from the bottom; and
FIG. 11 is a bottom plan view thereof with the cover removed from the bottom.
FIG. 12 is a perspective view of input device with track ball showing our new design in a second configuration with an incline;
FIG. 13 is a second perspective view thereof;
FIG. 14 is a top plan view thereof;
FIG. 15 is a bottom plan view thereof;
FIG. 16 is a front elevation view thereof;
FIG. 17 is a rear elevation view thereof;
FIG. 18 is a left side elevation view thereof;
FIG. 19 is a right side elevation view thereof;
FIG. 20 is a third perspective view thereof with a cover removed from the bottom;
FIG. 21 is a fourth perspective view thereof with the cover removed from the bottom; and,
FIG. 22 is a bottom plan view thereof with the cover removed from the bottom.
The broken lines shown in the figures form no part of the claimed design.