3.5mm 4 Position Audio Splitter CableOvercomes the limitation of some laptop audio ports, by turning a single 4-position 3.5mm audio port into two distinct 3-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. Can be used with any portable device that uses a 4 position 3.5mm jack Description: To split out the 3.5 mm jack (such as mobile phone) to Mic & Earphone Red female jack is to connect your Mic while Green female jack is Earphone With this product, you can use your private microphone for Skype, Messenger, internet program...etc Package Included: 1 x 3.5mm Audio Splitter Cable