Power source: 1) USB 2.0 computer power supply 2) DC 5V power supply 24 Bit 192KHz recording bit rate INPUT-MIX-DAW Control knob Mono button: Switch between mono and stereo HI-Z button RCA stereo input and output +48V phantom power LOOPBACK button: When recording on a computer, you can record only the sound of the microphone without recording the accompaniment. 6.3 main output and headphone output Material: aluminum alloy colour: black Package Contents: 1 x Audio Interface Sound Card 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.