4-Pin 3.5mm to dual 3-pin 3.5mm Headset Splitter Adapter features one 3.5mm Male and two 3.5mm Female connectors Turns a 3.5mm combo headphone/microphone port into two distinct ports - one 3.5mm headphone jack and one 3.5mm microphone port Lightweight, yet sturdy design that can easily be plugged in when required Can be used with any portable device that uses a 4 position 3.5mm jack, such as iPhone, iPod and iPad devices RoHS Compliant Works great for recording smartphone conversation with the split audio cable connected to the recording device.Ideal for splitting audio for iPods, iPhones, iPad or any MP3/MP4 Media Players.