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Updates allow educators to fully utilize classroom technologyCalifone International, Inc., a leader in the design, development and manufacturing of audiovisual (AV) and supplemental curriculum products for use in education, announces updates to its wired PresentationPro speaker.Each upgrade enhanc …

Califone adds support for the PresentationPro, a long trusted speaker. A long trusted speaker just became more practical than ever before. It’s fairly common knowledge that there are many things in life that simply go together perfectly. Peanut butter and jelly. Burger and fries. Spaghetti and mea …