Transcutaneous electrical nerve stimulation or TENS device

FIG. 1 is a perspective view of a trancutaneous electrical nerve simulation or TENS device;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front side view thereof; and,

FIG. 7 is a back side view thereof.

The broken lines show portions of the transcutaneous electrical nerve simulation or TENS device that form no part of the claimed design.