Features: Y shape adaptor, split the 3.5mm plug into 2 female jacks. This 3.5mm audio splitter can split one audio port to 1 audio port and 1 microphone port at the same. (The audio port must support microphone input, or the microphone port will not work.) Made of high quality ABS material, it is sturdy and durable. Small and lightweight, you can take the headphone splitter anywhere you want Allows the use of older audio accessories with newer computers (One 3.5mm jack port computer), enjoy great sound quality-allows you to use a higher quality headset with your iPhone or smartphone.