<ul> <li>Adopting DSP noise reduction chip, filtering excess noises, vocals are clearer, you can record clearly even in noisy environments</li> <li>2.4G wireless transmission, with unlimited transmission distance up to 50 meters, low data transmission delay, indoor and outdoor unrestricted</li> <li>Plug and pay. Just plug the receiver into your cell phone, the wireless microphone will be automatically paired and start working</li> <li>The wireless microphone is small and lightweight, can be easily put into pockets, handbags, briefcases and so on</li> <li>With a 450mAh battery charging bin, convenient to charge your microphone on the go</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Sampling rate: 32KHz</li> <li>Transmission frequency: 2.4GHz</li> <li>Frequency response range: 20Hz-20KHz</li> <li>Transmission time: 25ms</li> <li>Single microphone battery capacity: 70mAh</li> <li>Charging bin battery capacity: 600mAh</li> <li>Charging times: 3 times</li> <li>Charging time: about 80min</li> <li>Working hours: 8h</li> <li>Transmission distance: 50m (barrier-free)</li> </ul>