Tipard iPhone 4G Ringtone Maker for Mac

Tipard iPhone 4G Ringtone Maker for Mac, the best Mac iPhone 4 Ringtone Maker, can convert almost all mainstream video/audio, such as MPEG, WMV, MP4, MPEG, XviD, MOV, RM,AAC, WMA, MP3, etc. to iPhone 4 ringtone on Mac. And it can help you transfer converted ringtone to iPhone 4 directly.