LEMENG Pure Aluminium Alloy 3.5mm 1/8" 4 Pole Male (Earphone Headset + Microphone) to 3.5mm 1/8" 4Pole Female Aux Stereo Audio Splitter Cable 2x 3.5mm (4 Position-TRRS) Male Plug(1 for Mic, 1 for Headset).PURE Aluminium alloy .Length: 1FT/30cm.Color: black 1x 3.5mm (4 Position-TRS) Female Jacks Specifically for headsets with mic capability.Can be used with any portable device that uses a 4 position 3.5mm jack, such as iPhone?, iPod? and iPad? devices Overcomes the limitation of some laptop audio ports, by turning a single 4-position 3.5mm audio port into two distinct 4-position 3.5mm audio ports, allowing you to connect a microphone as well as external speakers Allows the use of older audio accessories with newer computers.