The ornamental design for a computercabledevice, as shown and described.
FIG. 1 is a front elevation view of a computer cable device, showing our new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a back elevation view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The dash-dot lines shown in FIG. 1 represent the interior light rays that are emitted from lights under the transparent ring. The broken line showing of the environment in FIGS. 1, 3 and 4 is for illustrative purposes only and forms no part of the claimed design.