Plug and Play Auto Pairing-This wireless lavalier microphone uses advanced 2.4 GHz wireless technology and does not need APP, Bluetooth, or Network/Wifi. Simply plug the receiver into the device, and power on the microphone transmitters to connect automatically. And this wireless microphone uses real-time auto-sync technology, without any delay in transmission, which extremely reduces the video post-editing. 3 Modes of Microphone- This wireless lavalier microphone built-in intelligent chip to achieve 3 modes of mic (Noise Reduction Mode, KTV Reverb Mode, and Mute Mode): The "Noise Reduction Mode" will greatly reduce the noisy ambient sound; The "KTV Reverb Mode" is suitable for special needs such as singing and live stream; the "Mute Mode" will turn off the microphone pickup and keep it muted. You can select different modes of this lapel microphone according to the using environment. DSP Intelligent Noise Reduction- This 360° omnidirectional wi