Portable USB Sound Card for Microphone Earphone 2 in 1 With 3 Port Output Volume Adjustable External For Windows Mac Linux

Overview[If having the problems of sound card damaged, bad jacks and limited interface on laptop/tablet/phone, then the external sound card is a great solution for you. [Allows you inserting two headphones to share the same audio, chat and listen with zero cutting in/out. [No driver required, plug and play, compatible with Win XP/Vista/7/8/10, MacOS, Linux. [Provides separated mute buttons for microphone and headset, you can mute either of them respectively. LED indicator stays red when microphone mutes, and stays blue when headphone mutes. [Easy to control volume with a rotary knob, non-slip grain surface, smooth to adjust the volume.