<p>This product is an intelligent wireless microphone that offers professional-grade recording output. It's plug-and-play, no app required. It serves various purposes: suitable for online streaming, video Vlog shooting, program interviews, interview recordings, video teaching, and more.</p> <ul> <li>Equipped with a 3.5mm connector, and can also be used with an optional OTG cable to connect to smartphones</li> <li>Automatic noise reduction, reverb, monitoring, and mute functions.</li> <li>2.4G wireless pairing, automatically connects upon startup, easy to operate</li> <li>Compatible with smartphones, computers, tablets, speakers, amplifiers, cameras, and other devices</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Microphone Type: Digital Mic</li> <li>Input Voltage: 5V</li> <li>Microphone Battery Capacity: 60mAh</li> <li>Receiver Battery Capacity: 90mAh</li> <li>Battery Life: 5-6 hours</li> <li>Signal-to-Noise Ratio: 64dBm with adaptive noise reduction</li> <li>Transmission Delay: 30ms</li> <li>Sensitivity: -42dB</li> <li>Frequency Response: 20-20KHz</li> <li>Transmission Distance: 15-30 meters without obstacles</li> </ul>