1. Audio & Mic in 3.5mm Port:This usb c multiport adapter with 3.5 mm Audio & Mic port, it is very convenient for you to play music. When using HDMI, the audio port can be directly plugged in and used. When using the headphone jack alone, please make the settings: For Mac OS, please go to Apple icon-System Preferences-Sound-Output-Select a device for sound ouput-LCD. For Windows System, please click sound icon on the right bottom of desktop-choose USB Audio Device as the sound output
  2. Widely Compatibility:The thunderbolt docking stations compatible with laptops and smart devices with USB C port: MacBook Pro (2016, 2017, 2018), XPS,MateBook X PRO(2019), EVNY X360,ThinkPad X1, P20/30 etc. Works on WindowsMacOSAndroidiPadOS or higher operating system(For Win7/xp/Linux will need to install drive to use Giga-bit RJ45 Ethernet port) Please note: the USB C port of your laptop and phone must support the DP (video) output