Converts 3.5mm TRRS combo audio port of mobile / laptop into two distinct 3.5mm TRS audio ports, allowing you to connect a microphone as well as external speakers. This allows you to use your own high quality Hi-Fi headphone and Hi-Fi Microphone to all mobiles and tablets. Compatible with all mobile phones /Android Handsets / Tablets / Laptops and any mobile devices with a combo headphone/mic jack (3.5mm Jack) Allows the use of older audio accessories with newer laptops, tablets and smartphones having one 3.5mm jack port. 3.5mm (4 Position-TRRS) Male Plug, 2* 3.5mm (3 Position-TRS) Female Jacks (1 for Mic, 1 for Headset) 1 year warranty