Please note: This splitter cannot support external mic. Please e-mail us before you make purchase if you are not sure about compatibility of your device with this 3.5mm splitter so we can help you to choose right model for your device. Note: While using this headphone splitter with PC applications; make sure that you have selected Microphone and Headphones options in Audio settings of the application. Mic and Headphone 2 in 1: This audio headphone mic splitter turn a 3.5mm audio jack to two port (TRS &TRRS jack)–one headphone jack and one microphone jack. It's an ideal choice in headphone jack splitter when you play desktop gaming or recording songs. Portable Design: That headphone splitter with the simple and portable structure at 30cm in length. Ultra-compact design, Plug and play, no software required. You can carry this aux splitter everywhere and put it in your pockets or bags, handbags. Please Note: This splitter works with only 1 input for audio and mic on your laptop it doesn’t work with two separate inputs mic and speaker. Overcomes the limitation of some laptop audio ports, by turning a single 4-position. Lightweight&Portable : The compact design will let it more convenient to use in daily life at home, you can carry this splitter cable for headsets everywhere, bags, handbags, pockets, ideal for your road trips and plane rides.