Iris Grape White ® 3.5MM Jack 9-Way Multi Earphone Headphone Mike Splitter Phone Laptop Audio Phone Converter  (Android, iOS, Window, MacOS)

Can use the item to connect 4 mobile phones by 4 pole port( inputs) ,or connect the separate micphone ,and connect 4 sets of earphones by 3 pole port to share the music, headphones or stereo speakers to your MP3 or media player. 4 x 4 pole input/output, 4 x 3pole input/output, 1 x Mic input ports Use this device to convert 4 pole headphone/earphone to separate headphone and mic ports to be used in old laptops with 2 audio input ports Use this device to convert 3 pole headphone with separate headphone and mic ports and connect with single audio port mobile, tablet, laptop