The sound card combines three functions, make your device have more possibility.
Support listening and talking simultaneously
Headset, microphone and earphone can be used in combination, two-person can talk simultaneously, meet different requirement.
Type C port for Apple MacBook 12, Apple MacBook Pro 2015/2016/2017 and other Type-C supported devices.
It works without battery or driver, just plug it then you can use.
Simple and High-Quality Alloy Shell Design
High-efficiency heat dissipation, light weight, resistance to compression and durability. Short pure copper core wire won't interfere with the use of other ports.
Note: The device can read one card only is either slot every time.