Convertm4r
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M4R Converter

Free online audio converter that converts all audio or video to m4r by streaming audio or video online. Free fast!

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m4r : MPEG 4 Ringtones Audio

M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.
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