WMA to M4R
WMA to M4R converter is widely known as the most popular software to convert WMA to M4R with high out-put quality and fast converting speed. You can transfer the converted M4R ringtone directly to your iPhone by using this professional WMA to M4R converter.
Suggestion on how to convert WMA to M4R
Firstly, Download free WMA to M4R converter, launch and run it.

Secondly, Add files you want to convert to M4R format by clicking "Add File"

Thirdly, Click
to listen to the music to find the segment which you want to convert WMA to M4R, drag the two sliders to set exact start time and end time. You also can change the time number to make it. Then press
to pre-listen the converted audio before generate.

Fourthly, Click "Browse" button to set output destination to store the converted files. You can see the destination on the interface.
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Finally, Click "Generate" to start the WMA to M4R converter, it will work quickly.
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Tips: Check "Export to iPhone" option, your converted WMA video to M4R will load to your iPhone directly.
This WMA to M4R which is specially designed for iPhone users provide pratical functions to convert MP4 video to M4R with high quality, so it is your best choice when you want to convert WMA to M4R.