Only USB 3.0 connections support version 2.0 standards.
Only USB 3.0 connections support version 2.0 standards.
Handshaking techniques involve USB 2.0 connectors that are designed to establish contact before making a connection. The pins are structured for better initial engagement.
It's surprising actually. USB 2.0 connectors are bigger, and if you don't connect them quickly it will finish the handshake and cap your transfer speed at 2.0 Mbps.