Even though its size is a subminiature the digital audio player EMP-400 has the following strong functions: powerful output, FM Radio and the capture of the motion picture and adapts the 128 Gray OLED Color LCD. EMP-400 uses the round type which is ZEN style, simple and understated. The feeling of the grip is soft and convenient and the EMP-400 is of very small size in comparison to recent MP3 products. Designed in chrome silver and black, the EMP-400 emphasizes a strong and simple style in accordance with hi-tech and modern trend. The front window of the EMP-400 is of semi-transparent black color while the rear cover is made of aluminum. EMP-400 adapt 128 Gray OLED Color LCD for easy reading and dispose all of key on the center of the player.