1、UHF wireless lavalier microphone system is less likely to be afraid of local radio interference than VHF microphones. Reliable signals within 50ft of working range are very suitable for live performances 2、Each wireless transmitter and receiver has a unique pairing ID synchronization, making setup easy. Setting up a wireless microphone is as easy as plugging in a wired microphone 3、Lavalier microphone with tie clip provides low visibility and hands‑free use, very practical 4、Easy‑to‑read LCD information display provides continuous monitoring of system operation, receiver battery status indicator with low battery warning 5、This wireless lavalier microphone can be widely used in video recording, news interviews, video blogs, courses, classroom lectures and other occasion; easy to use, very suitable for beginners 6、To use this wireless microphone, just insert the battery and turn on the power. The channels of the receiver and transmitter are the same by default, so they are preset. Then connect the receiver to your recording device and plug the external lav microphone into the transmitter to start recording Item Type: Wireless Lavalier Microphone Material: ABS+PVC+metal Colour: Black Receiver: Battery Type: 2 x AA battery (not include) Frequency Range: 610MHz-675MHz Receiving Sensitivity: -94dBm Working Current: Less than or equal to 100mA Transmitter: Battery Type: 2 x AAA battery (not include) Frequency Range: 610MHz-675MHz Frequency Response: 60Hz-16KHz Transmitting Power: 10dBm Working Current: Less than or equal to 100mA 1 x Microphone 1 x Transmitter 1 x Receiver 1 x User Manual