Turns a 3.5mm combo headphone/microphone port into two distinct ports - one 3.5mm headphone jack and one 3.5mm microphone port . This allows you to use your own high quality Hi-Fi headphone and Hi-Fi Microphone to all mobiles and tablets mic port is not for record voice,it just for voice outgoing. Can be used with any portable device that uses a 4 position 3.5mm jack such as most mobile phones, many laptops 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)
