Aiseesoft iPhone 4S Ringtone Maker provides users with the best solution to make iPhone 4S M4R ringtone with most popular DVD, video and audio files, including MPG, MPEG, MPEG-2, VOB, DAT, MP4, M4V, TS, RM, RMVB, WMV, ASF, MKV, AVI, 3GP, 3G2, FLV, SWF, MPV, MOD, TOD, QT, DV, MOV, DIF, MJPG, MJPEG, HD video and MP3, MP2, AAC, AC3, WAV, WMA, M4A, RM, RAM, AU, OGG, AIF, AIFF, APE, FLAC, NUT audio, then export it to PC, iTunes and other iPhone devices. Also it allows you to customize the output iPhone 4S ringtones, you can cut off any segment from source files. Moreover, it is highly compatible with iOS 5 and iTunes 10.5.1 now after upgraded.
Key Features
1. Manage ringtones on iPhone devices
You can manage the existing iPhone 4S ringtones. For instance, users can delete and rename the ringtones.
2. Preview the ringtone effect
You can pre-listen the source video/audio effect and the ringtones effect.
3. Add fade-in and fade-out effect
You could add the fade-in and fade-out effect to the output ringtone.
4. Adjust the volume
This iPhone 4S Ringtone Maker allows users to adjust the ringtone volume.
5. Trim ringtone length
Users can easily cut off any segment from the source DVD, video and audio file, and convert it to iPhone 4S ringtone.
6. Support all iPhone devices
Besides of iPhone 4S, this iPhone 4S Ringtone Maker also supports other iPhone versions (iPhone, iPhone 3G, iPhone 3GS, iPhone 4) and other apple devices (iPod touch 4, iPad 2).
7. Identify several iPhone devices simultaneously
When you connect more than one iPhone devices to computer at the same time, this software allows you to choose the target device to transfer ringtones to.
8. Support other languages
Users can change interface language to English, French, German, and Japanese.

Platform: Windows 2000, Windows XP

System Requirements: 800MHz Intel or AMD CPU, or above; 512MB RAM or more