<ul> <li>Built-in 80mAh battery, 10 hours long battery life to satisfy your daily needs</li> </ul> <ul> <li> <p>Suitable for short video, live streaming, all kinds of noisy environments can also be used, don't worry about your working</p> </li> <li> <p>20m barrier-free connection made recording more flexible. High-performance wireless microphone with stable signal&nbsp;</p> </li> <li> <p>Built-in decoding chip, intelligent noise reduction, strong anti-interference ability, effectively recognize the original sound, and can still record clearly in a noisy place</p> </li> <li> <p>If making Vlog is one of your&nbsp;hobbys, and then this mini microphone is a best choice for you</p> </li> </ul> <p><strong>Specifications:</strong></p> <ul> <li> <p>Frequency range: 2.4GHz</p> </li> <li> <p>Transmitter working current: 11~12mA</p> </li> <li> <p>Start-up current: 10~11mA</p> </li> <li> <p>Working current of receiving end: 20~21mA</p> </li> <li> <p>Power-on current at the receiving end: 8~9mA</p> </li> <li> <p>Shutdown current: 2~3uA</p> </li> <li> <p>Working temperature: -10~45℃</p> </li> <li> <p>Charging input voltage: DC4.8~5.4v</p> </li> <li> <p>Working time: about 6H</p> </li> <li> <p>Charging interface: TYPE-C</p> </li> <li> <p>Charging time: about 90min</p> </li> <li> <p>Charging current: about 60mA</p> </li> <li> <p>Battery capacity: battery 80mAH</p> </li> <li> <p>Full battery voltage: 4.1~4.25V</p> </li> <li> <p>Transmission distance: barrier-free distance 20m/ human obstacle distance 7m</p> </li> <li> <p>Left and right SNR: 64 dBm</p> </li> <li> <p>Transmission delay: 30MS</p> </li> <li> <p>Sensitivity (microphone): -42dB</p> </li> <li> <p>Type of microphone: MEMS microphone</p> </li> </ul>