Here are some key features of "WinX iPhone Ringtone Maker [GIVEAWAY]":

Convert All Prevailed Audio to iPhone Ringtone:
· WinX iPhone Ringtone Maker is committed to converting all kinds of audio formats to M4R format that is the format of iPhone ringtone, for instance, MP3, WAV, WMA, OGG, AAC, MP4, M4A, FLAC, FLA, MPC, MP+, MPP, AIFF, AC3, APE, MP2, MP1, M4B, XM, IT, S3M, MOD, MTM, UMX and so on.

Add Fade-in and Fade-out Effects & Customize Duration:
· This iPhone ringtone creator permits users to add fade-in and fade-out effect that will lead a much goodlier audio. Users can also select any segment of audio as ringtone by clicking the left and right part in the play area or defining the "Start Time" and "End Time".

Powerful DSP Function for Beautifying the Ringtone:
· It supports DSP function which enables user to increase or decrease the original audio volume by dragging the "Grain" button. Moreover, No worry about the original high and low distorted voice that could not be played by iPhone. The "High Pass" and "Low Pass" could help you out.

Support Looping Play and Writing Tag Information:
· If you would like to loop play ringtone, you can choose "Loop play select part" before converting. And this iPhone Ringtone creator endues user with the ability to define ringtone information, including Title, Artist, Album, Genre and Year.