5800736687utside the support makes a sound and the double loudspeaker three-dimensional outside sound
5800736691upport MP3, WMA and so on many kinds of audio-frequency forms.
5800736674rings the FM stereo radiogram.
5800736692he built-in memory may support 1GB-4GB.
5800736687utside the SD card functions in support of the largest card 2GB
5800736691upport external connection audio frequency input.