- Extension
- .m4r
- .3g2
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Apple Inc.
- 3rd Generation Partnership Project
- Description
- M4R is an iTunes ringtone file that stores mono channel audio. They are identical to the M4A format files only that they are correctly used for ringtones.
- A 3G2 file is a multimedia file saved in an audio and video format developed by the 3rd Generation Partnership Project 2 (3GPP2). 3G2 files are designed for transmitting multimedia content over the Internet and are used by cell phones to save video files.
- MIME Type
- audio/x-m4r
- video/3gpp2
