?Real-time Audio Monitoring?With a 3.5mm TRRS male to dual TRRS female cable, it allows users to fully monitor sound during the recording process at any time. ?Compact & Lightweight?With a weight of fewer than 13 grams, the BY-W4 is portable & convenient to carry around. Whether you're a musician, presenter, or event organizer, it is an excellent choice for capturing also amplifying clear also dynamic audio. ?Incredible Broadcast-Quality Audio?With a high-quality built-in omnidirectional microphone also an impressive sensitivity of -39dB, the Blink300 delivers much more clear & detailed audio, ensuring that your voice is heard loud & clear. ?Gain adjustment, noise reduction function?The TX transmitter has gain adjustment, noise reduction and mute functions, and the three RXs have mono/stereo switching functions. ?Blink300 WIRELESS LAVALIER MICROPHONE?Ultracompact and portable 2.4GHz wireless microphone system, compatible with smartphones, tablets, DSLR cameras, camcorders, etc. The Blink100 system features automatic pairing and selectable noise cancellation, delivering broadcast-quality sound, ideal for live streaming, vlogging, mobile journalism, and more.