AS302S, 24 bit/96kHz High Definition USB Audio dongle with SPDIF output through the bundled Coaxial cable. It provides headphone output and microphone input for VoIP applications. Moreover, it comes with convenient volume control, playback mute and record mute buttons that user can control multimedia easily when using the audio application. Designed with short USB extension cable, it won’t interfere with other devices when connecting to PC/NB. Final and very important, AS302S is a plug and play device.Just plug it to a NB/PC, you can enjoy the 24 bit / 96 kHz quality audio without any driver.