Light Weight, easy to take along Specifically for headsets with mic capability Overcomes the limitation of some laptop audio ports, by turning a single 4-position 3.5mm audio port into two distinct 3-position 3.5mm audio ports, allowing you to connect a microphone as well as external speakers Allows the use of older audio accessories with newer computers Can be used with any portable device that uses a 4 position 3.5mm jack Product Type : 3.5mm Audio Jack to Headphone Microphone Splitter.. Compatible: Android Handsets / Tablets / Laptops and any mobile devices with a combo headphone/mic jack (3.5mm Jack).. Description: 3.5mm Audio Jack to Headphone Microphone Splitter Converter Adaptor Mobile Tab. Using this cable to split the combo Headphone / Microphone signals from your mobile device, It works with microphones and line-level instruments.