<ul> <li>Get rid of cord constraints, automatically pair and plug and play. Plug in the receiver to automatically connect when turned on</li> <li>360° pick-up without dead angle. High-density anti-spray sponge, high-sensitivity microphone, 360 ° no dead angle radio, fast response, delicate sound quality, reduce the interference of the surrounding environment, record every detail of the sound</li> <li>20 meters barrier-free connection, more free recording. High-performance wireless microphone, stable signal, more than 20 meters barrier-free distance, unlimited free recording</li> <li>Intelligent noise reduction, built-in decoding chip. Built-in noise reduction chip, strong anti-interference ability, can effectively identify the original sound, and can still record clearly in a noisy environment</li> <li>Built-in long battery life, long-term use without electricity. Built-in 120mAh battery, ultra-long battery life of 10 hours, short video recording, unfettered on-site recording, easy to deal with in various noisy environments, worry-free shooting, to meet your day's needs</li> <li>Compatible with multiple devices. Support mobile phones, cameras, notebooks, etc., devices with a microphone interface can be easily connected and used</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Mark type: Digital silicon microphone</li> <li>Sensitivity: -42±1dB</li> <li>Output impedance: 2.2kΩ</li> <li>Maximum sound pressure: 90dB</li> <li>Applicable places: Live broadcast, short video, recording, etc.</li> <li>Connection method Wireless 2.4G</li> <li>Charging time: about 1.5 hours</li> <li>Use time: about 10 hours</li> <li>Battery capacity: 120mAh</li> <li>Charging case battery: 800mAh</li> <li>Signal-to-noise ratio 68dB</li> <li>Delay: 20ms</li> <li>Standby current: 4.5uA</li> <li>Working current: about 12mA</li> <li>Charging current: 115mA</li> <li>Transmission distance: barrier-free 15-20m</li> </ul>