Four-channel Wireless Microphone, Mini and Portable: Four channels support multi-person recording in sync, making it perfect for 1-4 people video shooting, live streaming, interviews, podcasting, etc. The internal structure of the microphone is highly integrated, making it compact and portable to use 48kHz/24bit Record, CD-level Sound Quality: 48kHz high sampling rate captures high-frequency signals and provides higher audio quality. 24-bit depth provides a wider audio dynamic range to record and reproduce the details of audio signals, presenting high fidelity and clear sound One-key Denoise: After years of research by Comica's RD department, CalMix audio processing algorithm accurately identifies human voices and filters out noise in complex environments such as streets or shopping malls Universal for Camera/Smartphone/PC: USB-C digital output and 3.5mm analog output support users different needs in recording. Two output modes are widely compatible with cameras, smartphones