You can use the format factory to convert: 1, left-click to open converter-video (select audio when converting audio) →3gp, mp4, AVI...(mp3, wma...)→ Add file → Find video-(or audio) → Double-click → OK → Start. For mobile phones, mp4 and mp5, it is best to select all mobile devices-and then select the recommended configuration corresponding to your device-and don't forget to turn on the +to switch. 2. If you can't find the same model configuration, choose 3GP, MP4, AVI ... To turn on the output configuration, generally choose low.

Quality. If your equipment is advanced, choose medium quality or high quality mp4 or AVI. Or manually adjust the output configuration. The video screen size is 176x 144-640x480 (commonly used176x144-320x240-352x288) and the number of frames per second is 12-25. Attention; Resist the equipment and turn down the parameters to prevent playing errors. High-end equipment can be turned. 3. Video editing method; Audio cutting and audio selection are just.