Sandisk's Sansa Clip is a flash based MP3 playerw ith an FM radio, voice-recording capabiltiy and a 15-hour battery. It comes in two versions, 1 or 2 Gb and costs $40 or $60.

Sandisk Sansa Clip

The Sansa Clip uses a four-line 2-color 1.1" PMOLED display.

OLED type: 

4-line 2-color 1.1" PMOLED

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters