Abstract: A wearable ring includes an inner surface and an outer surface; a first antenna component and a second antenna component, each disposed between the inner surface and the outer surface; a first electrical circuit connecting a first end portion of the first antenna component with a first end portion of the second antenna component; and a second electrical circuit connecting a second end portion of the first antenna component with a second end portion of the second antenna component, and wherein, based on configuration of the first electrical circuit and the second electrical circuit, the first antenna component and second antenna component are configured to operate in a given frequency band.

Abstract: A wiring device comprises a plurality sets of lamp string, each of which being a serial connection of a plurality of lamp sockets via conductive wire, the plurality sets of lamp string being arranged in parallel and are connected to each other at sides via conductive wires; a plurality of high pull-resist auxiliary cords, arranged parallel to each other and serially connect with the hook element on the side of socket in each lamp string in a direction perpendicular to the lamp string to form a interconnected net structure; and a plurality of hatch cylinder holder, having a center receiving space and a side-wall receiving space, the center receiving space clipping a socket on the side of auxiliary cord, and the side-wall receiving space firmly fixing the side of the auxiliary to enhance said net structure.