XCI

C-Port is a 10-pin USB 2.0-based connector that used for charging and syncing data and files to TheoryPhone X or later, TheoryTablet devices prior to Z1, TheoryTablet Pro devices prior to Z1, Portosic Touch second generation or later, Portosic Digital sixth generation or later. It was first released in 1996 and discontinued and replaced by faster 10-pin USB 2.0-based C-Port charging and syncing connector that was introduced in 2006.