Multi-functional clip and magnetic attachment: The collar-style microphone features a mini circular design, eliminating bulkiness, and comes with a rear clip and built-in magnetic attachment for flexible and convenient installation. The strong magnetic adsorption ensures that the transmitter can be quickly and securely clipped onto clothing, keeping it stable and preventing it from easily falling off Dual intelligent noise reduction: This lapel microphone adopts a 360° omnidirectional condenser microphone with an imported high-end large microphone core, providing pure and ultra-clear sound pickup for professional-grade recording and presentations. With low-cut and ENC environmental noise reduction enhancement, it can accurately reduce noise at different frequencies while retaining the original sound texture, effectively reducing external interference and eliminating environmental noise Versatile usage: Suitable for online live streaming, video Vlog shooting, program interviews, interview recordings, video teaching, and other occasions Wireless pairing, automatically connects upon startup, easy operation, supports dual-person usage with one-to-two connectivity This product is an intelligent wireless microphone that provides professional-grade recording output. Plug and play, no need for an app How to Use: Step 1: Press and hold the power button of the microphone until the connection light flashes, indicating that the phone has been successfully powered on Step 2: Connect one end of the receiving end to the mobile phone interface Step 3: The connection lights of the receiver and transmitter are always on, which means the connection is successful. Open camera live video and other apps on your phone and use the microphone to collect sounds Specifications: Input voltage: 5V Microphone battery: 110mAh Cockpit battery: 800mAh Battery life: 6 hours Signal-to-noise ratio: 64dBm Transmission delay: 30ms Sensitivity: -42DB Frequency response range: 20-20kHz Transmission distance: 20 meters-30 meters (barrier-free)