The ornamental design for a bracelet, as shown and described.
FIG. 1 is a front view of the bracelet of the invention showing a plurality of discrete circular elements mounted on a central axis it being understood that the beads that appear in plan view are the exemplary shape of all adjacent beads;
FIG. 2 is a left side view of the invention, which is the same as the left side view except that the upper conical end element shown in FIG. 1 is not shown; and,