This product connects 2 headphones through a one-to-two audio interface, allowing two people to share music at the same time. Suitable for all models of ipod, iphone, ipad and other digital devices with 3.5MM audio jacks. For MP3: One end of the audio divider can be connected to your iPod, mobile phone, recorder or CD headphone output jack, and the other two interfaces can be connected to two sets of mini stereo headphones or speakers. For computer use: Do you have speakers and headphones at the same time, but the conversion between them often requires you to unplug and unplug between audio output jacks, which is not only troublesome, but also easy to cause sound card interface failure. This one-to-two audio cable allows you to connect speakers and headphones (both are two-channel stereo) at the same time, and realize free conversion between them. Simple installation: You only need to plug it into the audio output port of the computer, and connect the speakers and headphones to its two output interfaces respectively. When using headphones, just turn off the speakers, and turn on the speakers when using speakers, which is much more convenient!The input is a 4-section 3.5mm plug, the output is a 3.5mm socket, the connection method is CTIA, suitable for Apple, Samsung, HTC, Xiaomi LG and other models. This product is a 3.5mm three-ring four-section plug divided into 2 3.5mm two-ring three-section jacks.Quantity: 1