ImTOO iPhone Ringtone Maker, a smart iPhone ringtone creator, provides an all-in-one solution to create your own ringtone for iPhone, iPhone 3G, iPone 3GS from all popular video and audio files including AVI, MPEG, WMV, MOV, MP4, FLV, DivX, MP3, WMA, WAV, RA, M4A, AAC, AC3, OGG, etc. in your library and transfer them to your iPhone directly. Furthermore, the iPhone ringtone creator can also trim video/audio to get audio segment and make it your ringtone. Key Features: 1. iPhone 3GS, iPhone OS 3.0 software is supported. 2. Just a few clicks to rip audios from videos, and convert them to M4R. 3. Directly transfer custom ringtone to your iPhone without iTunes when the creating is over according to your need. 4. Create iPhone ringtone from the song purchased from iTunes store. 5. Create your ringtone by specifying the start and end points of the segment with accuracy. 6. Play the music before converting with the built-in player to ensure that it is just the ringtone you want when someone calls you. 7. Super easy and intuitive interface makes your ringtone creation easy-to-handle, just adding the file and clicking to convert. 8. Five interface languages: English, German, Japanese, Simplified Chinese and Traditional Chinese, are offered for different mother-tongue users. 9.Supports to add files by dragging and dropping 10.Makes ringtone more precisely with the time set to millisecond. 11.Supports fade-in and fade-out effect of ringtone. 12.Added the function of adjusting ringtone volume. 13.Supports to name the ringtone freely.