Audio eyeglasses comprising: a frame for resting on a head of a user, the frame comprising: a lens region; a pair of arms extending from the lens region; a hinge coupling the lens region and one of the pair of arms, the hinge comprising: a body; and a cavity within the body, the hinge permitting movement of the arm relative to the lens region; and a flexible printed circuit extending from the lens region to at least one of the pair of arms through the cavity in the hinge, wherein the FPC comprises: a first segment located in the lens region, the first segment comprising two layers of conductive material (750a, 750b) connected by at least one via and separated by an insulating layer; and a second segment continuous with the first segment and extending through the hinge between the lens region and the at least one of the pair of arms, the second segment comprising: only a first one of the two layers of conductive material, and the insulating layer; and an electro-acoustic transducer connected with the FPC, the electro-acoustic transducer at least partially housed in the frame and comprising a sound-radiating surface for providing an audio output. a frame for resting on a head of a user, the frame comprising: a lens region; a pair of arms extending from the lens region; a hinge coupling the lens region and one of the pair of arms, the hinge comprising: a body; and a cavity within the body, the hinge permitting movement of the arm a lens region; a pair of arms extending from the lens region; a hinge coupling the lens region and one of the pair of arms, the hinge comprising: a body; and a cavity within the body, the hinge permitting movement of the arm a body; and a cavity within the body, the hinge permitting movement of the arm relative to the lens region; and a flexible printed circuit extending from the lens region to at least one of the pair of arms through the cavity in the hinge, wherein the FPC comprises: a first segment located in the lens region, the first segment comprising two layers of conductive material (750a, 750b) connected by at least one via and separated by an insulating layer; and a second segment continuous with the first segment and extending through the hinge between the lens region and the at least one of the pair of arms, the second segment comprising: only a first one of the two layers of conductive material, and the insulating layer; and an electro-acoustic transducer connected with the FPC, the electro-acoustic transducer at least partially housed in the frame and comprising a sound-radiating surface for providing an audio output. a first segment located in the lens region, the first segment comprising two layers of conductive material (750a, 750b) connected by at least one via and separated by an insulating layer; and a second segment continuous with the first segment and extending through the hinge between the lens region and the at least one of the pair of arms, the second segment comprising: only a first one of the two layers of conductive material, and the insulating layer; and an electro-acoustic transducer connected with the FPC, the electro-acoustic transducer at least partially housed in the frame and comprising a sound-radiating surface for providing an audio output.