2.4G Digital RF Wireless Mic with 650ft(200M) Stable TransmissionComica BoomX-D2 wireless mic comes with two transmitters and one receiver. The working distance of up to 650ft, is ideal for Tiktok Livestream, interviews, Youtube video recordings, etc. One-Button Muting & Real-Time MonitoringThe receiver of BoomX-D2 Wireless lapel mic has a 3.5mm headphone monitor hole, you can test whether it is working normally during recording. Press the power button briefly on the transmitter to mute, for short pauses or adjustments to the device during recording. Auto Frequency Adjustment & Low Latency < 20msComica BoomX-D2 wireless camera microphone can be paired automatically and choose the best channel for stable and smooth signal transmission. Allowing audio to be transmitted faster and latency to be reduced to less than 20ms, high fidelity and fast transmission. MONO/STEREO/Safety Mode Switch and 2 Audio Input ModesComica BoomX-D2 lavalier mic provides mono/stereo switchAdditi