The Orico SKT2 USB 2.0 External Sound Card features Driver-free Installation, Dual-port audio output, and a 10cm integrated cable. Expand earphones and microphone ports for computers and share the music. With the help of this sound card, you can listen and communicate in a timely. The Orico SKT2 is compatible with most earphones, microphones, and speakers that can transfer analog signals of the tablet, laptop, desktop into digital signal output