This is Portable for all Samsung Huawei And all Stereo headset using type c port 

Ox to Type C earphone jack make your life easy and more continent.

The USB-C to 3.5 mm Headphone Jack Adapter lets you connect devices that use a standard 3.5 mm audio plug - like headphones or speakers - to your USB-C devices.

-With many Samsung devices now going without the 3.5mm headphone, you may think you can longer use your favorite earphones with your new phone. That doesn't need to be the case. This adapter will allow you to convert a 3.5mm earphone connection to fit in to a USB-C port. Converting digital files to analogue.

-Light and space-saving due to the ultra thin, flexible cable and the extra small plugs.

-The inner conductor is made of copper which ensures best transmission properties.

-For connecting a PC/notebook/MacBook/tablet/smartphone with a USB-C port to a headset or loudspeaker with a 3.5 mm jack.

Supports microphones and audio playback via the headset.

Stereo sound card converts the signal from digital to analogue (D/A).