World's First MP3 Player: MPMan 32MB; Year: 1998

 MPMan was the world's first MP3 player, boasting 32MB of internal memory -- expandable to 64MB which was Released in 1998 by Eiger Labs. 

Model: F20 & F10

Price: 69USD +Shipping

Dimensions: 91 mm X 70 mm X 16.5 mm