This USB Audio Sound Card Adapter instantly transforms your laptop or PC's USB port into a microphone-in and audio-out jack. It features a 3.5mm headphone/microphone combo cable, allowing you to connect a microphone or headphones easily. Compatible with both laptops and desktops, the adapter supports a condenser microphone with a sensitivity of -55dB ±2dB and offers noise-canceling directivity. The microphone has an impedance of 2.2K ohms and a 3.5mm stereo plug, making it suitable for all kinds of PCs and ensuring clear sound with noise cancellation capabilities.