<ul> <li>Automatic connection: 2.4G wireless technology chip, automatic pairing when powered on, no other operations required, easy to use</li> <li>Intelligent noise reduction: high-end capacitor noise reduction microphone, omnidirectional ultra-clear sound reception</li> <li>Back clip design: easy to install, very easy to carry, so that the transmitter can be very convenient and quick to clip on the clothes</li> <li>Real-time monitoring: The transmitter can be connected to headphones for monitoring, allowing for a more perfect sound recording effect while listening</li> <li>Recording without power outage: The receiver is equipped with a direct charging interface for phone charging while recording</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Material: ABS</li> <li>Input voltage: 5V</li> <li>Microphone battery capacity: 70mAh</li> <li>Charging case battery: 600mAh</li> <li>Use time: 6H</li> <li>Signal-to-noise ratio: 64DBM Adaptive noise reduction</li> <li>Transmission delay: 30MS</li> <li>Sensitivity: -42DB</li> <li>Frequency response range: 20-20KHZ</li> <li>Transmission distance: barrier-free 20 meters</li> <li>Transmission technology: 2.4G wireless technology</li> </ul>