Step 1. Open an audio file
Click Open Audio File button, find and select a MP3/WAV file you want to convert, the audio data will be shown in the Wave View.
Step 2. Click and drag your mouse on the Wave View to select the part you want to convert, The selected part, or selection, is the highlighted part of the Wave View.
Step 3. Click the Play button to adjust the selection part of the sound.
Step 4. If you wish to get more configuration options, just click the Options button.
Step 5. Press the MMF/AMR/MID/WAV/MP3/3GP/AAC/MP4 buttons to start converting the selection part of the sound.
Step 6. Transmit the ringtone file to your mobile phone.