The BY-CM1 Desktop USB Microphone is a type of microphone that can be connected to a computer or other device through a USB port. This makes it convenient for use with live streaming, video conferencing, e-sports gaming, or other activities that require high-quality audio capture. Dual Noise Reduction – Strong Combination of Physics & Magic Featuring a DSP noise reduction chip, algorithm filtering noise, cardioid directional noise-canceling, plus physical noise filtering, the BY-CM1 improves 60% the noise reduction effect compared with BOYA-M1.