【實用生活app】Ringtone Builder Pro|最夯免費app-綠色工廠好玩App

* Create personalized ringtones with your music! You can assign ringtones created to different contacts, or use them for alarm clock, or send them to your friends by email!* Key Features: - Easily controls start time and length. - Fade in and fade out: 0~3 seconds. - Fast ringtone saving. - Ringtone exported via iTunes file sharing.* Note: - Requires iPhone 3GS or later and iOS 4.1. - Please use .m4a or .mp3 audio files. DRM protected .m4p files are not supported.