<ul> <li>Long lasting battery life, built-in charging case: The wireless microphone can pick up sound for up to 7 hours on a single charge, and with the charging case, it can last up to 48 hours of battery life. Charging takes 5 minutes, and picking up sound takes 1 hour</li> <li>30 meter long-distance wireless transmission: 2.4G wireless transmission with strong penetration, stable signal, barrier free distance of 30 meters, unrestricted recording and pickup</li> <li>360 ° omnidirectional pickup: High sensitivity pickup for clearer sound, high fidelity sound quality, mini and compact size</li> <li>Intelligent noise reduction, clearer and more delicate vocals: up to 48KHZ stereo recording, filtering multiple types of noise for different noise environments</li> <li>Multi-level noise reduction and reverberation modes, can be switched freely: mute mode, noise reduction mode, reverberation mode, suitable for different scene applications</li> </ul> <p><strong>Specifications:</strong></p> <ul> <li>Frequency band: 2.4GHz</li> <li>Wireless distance: about 30m (open environment)</li> <li>Power supply mode: polymer lithium battery</li> <li>Battery capadty:370mAh</li> <li>Charging voltage: DC5V/0.3A</li> <li>Charging time: about 1.5H</li> <li>Endurance: about 7H</li> <li>Microphone type: full pointing capacitor?</li> <li>Head sensitivity:-38dB</li> <li>Microphone frequency response: 20H~20kHz</li> <li>Sample rate: 48KHz</li> <li>Weight: Transmitter TX: 28.5g; Receiver RX: 285g</li> </ul>