Features:
With digital natural sound-effect technology,show perfect sound quality.
Support SD/MMC memory card and USB flash disk,can play music with MP3,WMA format files.
Built-in sound card,power and signal supplied by same USB cable.

Unique digital noise-lower technology.

Built-in AM/FM radio function.

Suitable for devices equipped with a 3.5mm audio jack, including cell phones, MP3 players, portable CD players,laptop/desktop computers and other stereo equipments.