FIG. 1 is a front perspective view of a USB (Universal Serial Bus) memory device;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a rear perspective view thereof;
FIG. 9 is another front perspective of the FIG. 1 in which the ring portion is shown in open position;
FIG. 10 is a front view of FIG. 9;
FIG. 11 is a rear view of FIG. 9;
FIG. 12 is a left-side view of FIG. 9;
FIG. 13 is a right-side view of FIG. 9;
FIG. 14 is a top plan view of FIG. 9;
FIG. 15 is a bottom plan view of FIG. 9; and,
FIG. 16 is a rear perspective view of FIG. 9.
The evenly dashed broken lines in the figures depict environmental subject matter and form no part of the claimed design.