Devinal 3.5 mm headset splitter adapter is used to connect a dual-plug headset to most sevice with a 3.5mm AUX port, such as headset to Xbox adapter, headset to Xbox splitter, headphone to pc adapter.

Microphone and Earphone/Headphone Connectivity
Connect a 3-Pole TRS external microphone and headphone to your PC/smartphone/PS4 etc. when streaming or singing or gaming.
Gaming Headset Connectivity
Simply connect your PC/Laptop/Smartphone/PS4/Xbox one(with only a combo 3.5mm jack) to the gaming headset(with dual plugs). Plug into the corresponding audio output port and Microphone input port.
Microphone and Powered Speaker Connectivity
Connect a TRS microphone and powered speakers to your laptop/Android smartphone etc. with this adapter

Note:
Please make sure your Microphone is TRS 3 pole standard, DON'T work for Condenser microphones.
This cable does not Compatible for iPhone, iPad, iMac, Mac and Nokia Lumia 1320.
When connecting to the Xbox One Controller, an official Xbox One stereo headset adapter should be used.
DONOT Compatible for BEATS headset, Bose headphones, and Apple Earphones.
DONOT support in-line control such as volume+/- etc.