Wondershare Ringtone Maker for Mac is a professional software that can provide iPhone users with free and convenient iPhone ringtone making service. With the following features, 1. Support Various Popular Audio/Video Formats; 2. Ringtone Manager (Play and Transfer Ringtones between iTunes and iPhone) 3. Direct Connection with iTunes Library; 4. Fade in and Fade out Effect; 5. Waveform for Precise Trimming; 6. Transfer to iPhone directly; 7. Video Preview Function; users can benefit from convert any popular audio/video formats, Flexible Ringtone Management, Fade in/out Effect, Professional Wave-form Adjustment, as well as Direct Connection with iTunes Library etc.