A cable assembly including a connector insert to fit in a connector receptacle in an electronic device, where a back surface of the connector insert is substantially flush with an outside of an enclosure for the electronic device. One example may provide a cable assembly that includes a connector insert formed by wrapping a flexible circuit board at least partially around a housing. The flexible circuit board may be routed against an underside of the electronic device such that it does not obstruct a user, consume space in a display area, or have an undesirable appearance.