Earphones; wireless earphones; accessories for MP3 players in the nature of earphones; earphones for use with mobile telecommunication devices; accessories for PDAs in the nature of earphones; accessories for digital or electronic tablets in the nature of earphones; earphones for smart phones; earphone caps for smart phones; audio earphones; gender changers for earphones; earphones for electric audio and visual apparatus and instruments; earphones for cellular telephones; personal transceiver...