The biggest advantage most MP3 players have over an iPod is the built-in FM radio. Taking advantage of this the iRiver E50 MP3 player. It measures only 7 mm thick and sports a brushed metal exterior. It houses a 1.8-inch display and comes in three storage sizes: 2,4 and 8GB. Other goodies included are popular audio formats, voice recorder, earbuds and 52 hours of battery life.

Source