River Past Crazi Video for Walkman is a batch video converter specifically designed for Sony Walkman player and phones.Convert video from DVD chapters, 3GPP/3GPP2, ASF, AVI, DAT (VCD), DivX, DV, FLC, animated GIF, Matroska MKV, QuickTime MOV, MP4 (MPEG-4), MPEG-1, OGG Media OGM, RealMedia RM/RAM and WMV to Sansa. It automatically set the video resolution, audio sample rate and channel, and video and audio bitrate for you fit the Walkman screen.