Separate Microphone Headphone Splitter: - USB C to 3.5mm audio adapter, one port for listening and other ports for speaking, designed to connect PC/ USB C Tablet/Type-C Smartphone and more. It enables to chat with teammates when playing games or chatting with the audiences in the live room. Original Sound Quality: - USB-C Microphone adapter convert digital audio signal to analog audio signal and maintain the original sound quality. It greatly improves the noise cancellation ability and anti-interference ability, providing a high-quality listening experience and lower power consumption. Compatible with Older Headsets: - The adapter is also suitable for most of the legacy headsets featuring separated headphone and microphone connectors, so you can use them with latest USB C devices for meeting, on-line lecturing, and so on. Plug and Play :- Headphone microphone adapter use high-quality enameled copper wire, which ensures to offer stable audio signal & excellent lossless transmission texture experience, plug and play, no driver installation required. Important Tips: - The microphone port of this 3.5mm audio jack splitter only supports the 3 pole TRS port, does not support the 2 pole TS and 4 pole TRRS ports; The earphones were not supporting microphone input but only audio output, neither volume control. This adapter is connected to headphone at one end and a microphone at the other end. You cannot connect two headphones at the same time.