MetroCon

MetroPort is a 25-pin connector that used for charging and syncing data and files (USB 1.1 and 2.0) to older pTheoryPhone devices prior to TheoryPhone X, Portosic Digital, first generation Portosic Touch, TheoryPDA, and TheoryPDA Style. It was first released in 1996 and discontinued and replaced by 10-pin USB 2.0-based C-Port connector that was introduced in 2006.