3GP Video Converter enables you convert WMV , MP4 , VOB , AVI , MP4 , MKV , RMVB , FLV , and QuickTime MOV video to 3GP video . Support the most popular video formats 3GP (3GPP file format is a multimedia container format defined by the Third Generation Partnership Project (3GPP ) for 3G UMTS multimedia services ) . Now you can enjoy the versatile video on mobile phones wherever and whenever . Simple settings , high speed , and friendly interface . It is very easy to use without any special setting , only a few clicks complete the task of convert audio ; It can detect your hardware configuration and decide an optimized convert scheme automatically ; Provide greater than 300% converting speed by multithreading , so fast beyond your imagination .