1.Wireless transmit(tranmit audio signal to FM signal to car audio or family audio),mutual transmit frequencies for diffrent regions. 2.Support WMA/WAV/ADPCM format built-in SD card slot;Support 1GB SD card. 3.Support ASF format MP4; ADPCM stereo voice 4.Vedio image recording MPGE-4 format, ADPCM stereo voice 5.Picture scan fuction,JPEG format,Support EXIF2.1 6.Vedio output films can be played similarily to VCD picture effect. 7.support ID3 8.Auto off and timeset 9.Games, calendar, check memory function. 10.Hold and screen protect. 11.2.5 inches 260K pixel real color TFT screen