If you think your MP3 player is ultra portable, think again?MobiBLU has released the world?s smallest MP3 player that measures .94" x.94" x. 94" and comes in a variety of colors to interest users of all tastes. The MobiBLU DAH-1500i features an OLED display with blue lettering. Thanks to OLED technology, the text on the tiny unit is sharp and bright, which makes it painless to navigate through various menus.