This product's functionality has not been confirmed. Please purchase only if you understand that this is a used item. No Brand USB Audio Interface Sound Card RHM2 In 2 Out Audio Interface Sound Board, Professional Audio Mixer & Microphone Preamp with 48V Phantom Power for Recording, XLR/TSR/TS Ports for Guitarists, Vocalists, Podcasters, or Producers Brand: No Brand Compatible Devices: Tablet, Laptop, Computer Connectivity Technology: USB Number of Channels: 2 Maximum Sampling Rate: 192 KHz Manufacturer: No Brand 【All-in-One USB Interface】Podcasting, recording, live streaming, this portable audio interface covers it all, featuring a studio-quality headphone amp, I connection, 48V phantom power, and direct monitoring for latency-free recording. 【Easy Connection】High impedance, high headroom instrument inputs allow you to record guitars and basses without clipping or unwanted distortion, and the Gain Halo meter makes it easy to set input levels. 【Real-time Monitoring】The USB audio interface enables direct monitoring of the input signal with zero latency (no delay) when in operation. You can monitor directly through the preamp input, giving you a completely delay-free sound, allowing you to hear your recording accurately and process it in real-time. 【+48V Phantom Power】This USB audio interface has a +48V - phantom power switch for microphone input, enabling 48V phantom power on the XLR socket (required for professional studio condenser microphones). 【24-bit/192kHz Professional Studio Quality】This is the best way to get sound into your computer and also improves sound quality. If you have a microphone and an electric guitar in your studio and want to record them on your computer, but your computer doesn't have the right inputs, the RHM USB audio interface will solve this problem.