Applicable Machines: All PCs with sound cards, including desktops and notebooks, can be used. The test results are very good As long as you have a mobile phone headset with a 3.5 standard interface such as the Samsung Apple HTC Xiaomi Meizu Huawei LG Sony, as long as he received this adapter, you can single head change double head will immediately make the phone headset into a High-quality computer headsets, so that your music will not have any loss.Features: Let your mobile headset become an earbud computer headset Can also be used as an extension cord Audio dual 3.5 plug design is perfectly compatible with audio equipment.Original and compact portable design, enjoy the voice fun at any time. Two to one cable 3.5mm interface, dual 3.5 input (a microphone plug, a headphone plug), a single-hole 3.5 output (with 3 microphone headsets), the phone headset cable into computer, notebook, ultra practical Take a look at it If you have a mobile phone headset, then you can use this one extension cable. You can use your microphone to chat and listen to music on your computer.3. Exceeds the limitation of some laptop audio ports by turning a single-position 3.5mm audio port into two distinct-position 3.5mm audio ports, allowing you to connect a microphone as well as external speakers4. Allows the use of older audio accessories with new computers5. It can be used with any portable device that uses a 4 position 3.5mm jackAudio dual 3.5 plug design is perfectly compatible with audio equipment.Original and compact portable design, enjoy the voice fun at any time. Two to one cable 3.5mm interface, dual 3.5 input (a microphone plug, a headphone plug), a single-hole 3.5 output (with 3 microphone headsets), the phone headset cable into computer, notebook, ultra practical Take a look at it If you have a mobile phone headset, then you can use this one extension cable. You can use your microphone to chat and listen to music on your computer.colour: BlackMaterial: ABSsize: Length: 15CMjack: 3.5mmPackage Contents: 1*3.5mm SplitterOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.