The ornamental design for a connector for a peripheraldevice, as shown and described.
FIG. 1 is a front perspective view of the invention, with broken lines showing a mobile device to which the connector of the invention is connected;
FIG. 2 is another perspective view of the invention of FIG. 1;
FIG. 3 is a front elevational view of the invention of FIG. 2;
FIG. 4 is a rear elevational view of FIG. 2;
FIG. 5 is a left side elevational view of FIG. 2;
FIG. 6 is a right side elevational view of FIG. 2;
FIG. 7 is a top view of FIG. 2; and,
FIG. 8 is a bottom view of FIG. 2.
The broken line showing of the mobile device in FIG. 1 is included for the purpose of illustrating environmental structure and forms no part of the claimed design. The portions of the connector for a peripheral device illustrated in broken lines form no part of the claimed design.