Bamboo Group today announces Ringtonium - Professional Ringtone Designer 2.5. An update to their popular ringtone creator, Ringtonium is simple and powerful with an intuitive user interface, amazing sound effects and highly accurate cutting. Ringtonium helps to make a library of unique tones with easy and convenient track cutting, allowing up to 0.01 second accuracy. The update includes DropBox syncing that allows one-click tone installation, a new guide, info screen, video tutorials, and more.