July 2006
Device applied: ATA2501, DPS7 family

Median, one of Korean MP3 player makers, released the most thinnest MP3 player in the world, M20, in July, 2006.

Median M20 with ATA2501 used 5 touch buttons and placed LCD and touch area in same flat surface to make a tidy design. It is getting popular in Japan.

Link  Median M20
  Median M22
  ATA2501