Syba Hi-Fi USB Audio DAC, Headphone / Speaker Amplifier, 24-Bit / 96-KHz USB Audio, Stereo Analog RCA Line Outputs, Coaxial Digital Output Integrated De-pop Function for Suppress Pop Noise During PC Power-up and Shutdown Easy Plug and Play. No Driver or Software Installation Required (Except S/PDIF Function) 3.5mm Input Analog Microphone. Shared with Analog Line-in (Stereo) Up to 24bit/96KHz) RCA Analog Output (Stereo) / Digital Coaxial Output 3.5mm Mini Stereo Headphone Jack (If Used, 1/4" Jack Will be Automatically Disabled)