Xiaomi 8 is able to plug wired headphones.

The headphone jack on the Xiaomi 8 is not the traditional 3.5mm round jack, but a type-c jack with a collection of charging ports, which requires headphones with a type-c plug, or an adapter cable to use.

Type-C double-sided plugable interface is the most important feature is to support the USB interface double-sided insertion, positive and negative random plug.

Expanded profile:

USBType-C has the following features:

1, the maximum data transfer speed reaches 10Gbit/sec, which is also the standard for USB3.1;

2, the size of the socket end of the Type-C connector is about 8.3mm x 2.5mm slim design;

References:

Xiaomi Official Website-Xiaomi 8 Parameters