Electronic earplugs, methods of enhancing andor attenuating sound using electronic earplugs, and kits including electronic earplugs are provided. The method and system for processing RFID communication device data can further include generating a preamble from a series of the acquired data samples. The adapter frame is attached to the single-rider bicycle at the seat post and the rear dropouts, resulting in a rigid 3-point connection. The plurality of first conductive sections is electrically connected to the plurality of first electric conductive sections of the flat cable. The foam pads may be captured by the two mesh fabrics using circumferential stitching, for example.