Okoker MP3 to AMR Converter is a professional and powerful AMR Converter that lets you convert your audio files to and from the AMR format used by your cell phone. You can convert from WAV, Mp2, MP3, MP4, swf, OGG, WMA, AC3, AMR, 3GP, MPEG, WMV, etc. to AMR format. You can also convert AMR to MP3, MP2, WAV, OGG, AAC, M4A, AC3, AMR with the same ease. The conversion is performed in batch mode, which means that you can easily convert an entire list of audio files to and from AMR with very little effort. Sample AMR conversions include WAV to AMR, AMR to WAV, MP3 to AMR, AMR to MP3, WMA to AMR, OGG to AMR, AMR to OGG, M4A to AMR, AMR to M4A, etc. In addition, you also can convert video formats includingAVI, MPEG, MOV WMV, ASF, RM, RMVB to popular audio files. The AMR converter is very fast and easy to use. Advanced AMR encoder and decoder inside. Convert audio files such as MP3 to AMR,WAV to AMR,AMR to MP3,AMR to WAV AMR Converter. Convert video files to audio formats such AVI, WMV, MPEG, RMVB, VOB to MP3, WAV, AMR, etc. Convert audio for portable MP3 Player, portable MP4 Player,cell phone, Apple iPod. Inside AMR encoder/decoder and batch files conversion. Custom define the output audio volume. Shutdown computer automatically when job is done. Simple and vogue GUI and very EASY to use.