About this item 4-Pin 3.5mm to dual 3-Pin 3.5mm Headset splitter Adapter features one 3.5mm Male and two 3.5mm Female connectors 3.5mm Headset Splitter Cable is perfectly designed to connect your headsets which have a separate headphone(CTIA) and microphone(TRS) jack to a PC, laptop, or tablet, solving the problem that the headphone can not be connected to a computer that only has a single 3.5mm earphone jack. High-Density triple-layer shielding for maximum noise reduction. Ensure optimum sound quality, corrosion-resistant, long usefulness, provide lossless audio transmission, squeaky-clean quality sound. The headphone splitter features two 3.5mm 3-position ports that provide a separate headphone and microphone connection that Headsets Splitter Adapter, can be connected to the single audio port on your laptop. For wide-ranging use with any portable device that uses a 4 position 3.5mm jack. Compatible with most portable audio devices, Phones, Samsung, most MP3 players, tablets, computers, headphones, TVs and home and vehicle stereos and other devices with an auxiliary jack.