Evolution of Audio Devices By haneenalam Period: Nov 1, 1954 to Mar 14, 2016 Radio Period: Apr 1, 1979 to Mar 14, 2016 Portable Cassete Period: Jun 1, 1984 to Mar 14, 2016 Music Player Sony Period: Oct 23, 2001 to Mar 14, 2016 iPod Classic Period: Jan 6, 2004 to Mar 14, 2016 iPod Mini Period: Jan 11, 2005 to Mar 14, 2016 iPod Shuffle Period: Sep 7, 2005 to Mar 14, 2016 iPod Nano Period: Sep 5, 2007 to Mar 14, 2016 iPod Touch
