The ornamental design for a usbconnector, as show and described.
FIG. 1 is a left perspective view of a USB connector showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof, the right side being a mirrior image;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines are for illustrative purposes only and form no part of the claimed design.
The dash-dot-dot broken line and the even-broken line portions of the figure drawings are included to show unclaimed subject matter only and form no part of the claimed design.