<ul> <li>Equipped with noise reduction chip: Not only does it have good reception, but it also has better sound quality, invite a professional tuning room to repeatedly tune to provide better sound quality</li> <li>Plug and play without delay: True 2.4G wireless technology, 20m stable transmission, true wireless connection in 1 second, no need for a connecting adapter cable</li> <li>Ultra clear and loud sound: Pure, delicate and vivid sound reception, the chewing sound of eating and the gurgling sound of drinking water are all truly recorded, making the audience feel overwhelmed</li> <li>Easy to carry: With a compact size charging case, easy to use anytime, anywhere. Record and shoot outside, super convenient to carry with you</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Chipset: JL6973</li> <li>Microphone: digital silicon</li> <li>Input voltage: 5V</li> <li>Battery life: 4-5 hours</li> <li>Battery capacity: 40mAh for microphone, 230mAh for charging bin</li> <li>SNR: 64DBM</li> <li>Transmission delay: 15mms</li> <li>Frequency response: 20HZ-20KHZ</li> <li>Sensitivity: -38DB</li> <li>Transmission distance: 20 meters without obstacles</li> </ul>