For example, a red USB port could potentially be used for older USB versions, such as USB 1.0 or 2.0. So, it's best to refer to the device's documentation to confirm.

a generational improvement over USB 1.0 and 1.1. While the advertised speeds aren't fancy, you can reliably use thumb drives or even cheaper external HDDs to store files of smaller volumes.

Typically found on computers, laptops, and some chargers. Supports all USB versions (USB 1.0 to USB 3.2). USB Type-B Less common, usually found on printers and other peripherals. Has a squarish ...

[Martijn] managed to reverse engineer the iPod Touch 1G enough to run iPhoneOS 1.0 on it and has several blog ... However, Wifi, some USB, audio, the light sensor, and some graphics hardware ...