It is only compatible with OMTP standard earphones and CTIA standard Android earphones, and is not compatible with CTIA standard Apple earbuds. Audio microphone splitter with two 3.5mm male holes: one for the headphone jack on the PC/laptop, and the other for the speakers/PC/ The microphone jack on the laptop. [Note] Before inserting the adapter into the PC, please make sure that the headset is plugged into the adapter, otherwise, it will not be able to pick up the microphone. This 3.5mm Headphone Microphone Adapter has a thicker gold-plated connector adopts gold-plated plugs and sturdy aluminum shells to resist oxidation & corrosion. High-quality materials not only improve the durability of this Audio Mic Cable but greatly enhance its sound quality ​to ensure more stable transmission. Rust-proof and wear-resistant, ideal for converting audio from a headset and microphone source to a headset. Use the 3.5mm speaker microphone stereo Y audio adapter to convert the headset to a PC adapter, and connect the headset (audio and microphone) to a PC or laptop for use with VOIP applications, such as Skype or chat programs , MSN Messenger, Yahoo, Google Voice and many more. Oxygen-free copper gold-plated 3.5 mm audio Y-distributor cable can provide maximum conductivity and durability, and compact design can achieve maximum portability-an excellent solution for carrying it in your laptop bag. Frosted aluminum alloy shell make the 3.5mm microphone adapter delicate and texture, wear-resistant and corrosion-resistant. After the original smooth surface is polished by the matte, the scratch resistance of the surface is improved.