Named the Zune HD, it featured a 3.3-inch 480 x 272 pixel OLED capacitive touchscreen, 720p HD video out and HD radio.
One downside to OLED TVs are they are new and more expensive than LCD or plasmas, but the advantage is a sharper picture with deeper colors.
The hidden OLED display is simply to some Walkman media players by Sony.
The Sansa Clip+ and Clip Zip both feature a clip mechanism like the iPod shuffle, but unlike the shuffle, they also feature full color OLED displays.
There would also be GPS (an improvement from the aGPS/compass/map combination), a removable battery, and an OLED screen.
Unlike LCD website design midlands displays which work by reflecting light, OLED displays emit their own light.