A portable electronic device including a main body and a connector module is provided. Each shoulder portion forms a respective loop around and engages with a respective shoulder region of a human torso. The main body defines a receiving cavity. The image sensor also includes circuitry for filtering noise from a voltage supply line, and for providing hard andor soft reset operations. The decorative elements have a curl or a crimp set therein to enhance the light-reflecting characteristics of the decorative elements and to provide greater volume of the decorative elements for a given weight of decorative elements.