- Length: 20 cm. Headset adapter for headsets with separate headphone and microphone plugs / 3.5mm. Connect an external microphone and powered speakers to the audio port on your laptop. Turns a 3.5mm audio output port into two distinct ports: one headphone port and one microphone port, you can connect your headsets (audio & microphone) to PS4, tablets, laptops or smartphones with 3.5mm 3-pole plug. Note: Allows the use of older audio accessories with newer laptops, tablets and smartphones having one 3.5mm jack port. If you are using Microphone to record voice/Song with this product in Mobile/Laptop/PC then using Voice record application, otherwise voice not record. 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. Compatible Device: Laptop , Computer , Tablet , Smart Phone , Speaker , MP3 Player.