?Internal and Lavalier Mic Versatility?The Comica BoomX-D MI2 microphone provides the flexibility to use either the built-in internal microphone for convenience or connect an external Lavalier microphone for discreet and high-quality audio capture. Choose the best option to suit your specific recording needs. ?3 in 1 USB C Charging Cables,5 Hours Runtime?With built-in lithium battery, the standby time of this wireless mic set is up to 5 hours.BoomX-DMI2 wireless microphone system includes a practical 3-in-1 USB C cable that makes recharging a breeze and serves as an output cable for versatile connectivity. ?MONO/STEREO Switch?Comica BoomX-D MI2 wireless lavalier mic provides mono/stereo switch that allowis you to switch between mono and stereo modes to adapt to your recording scenarios. ?Auto Frequency Adjustment and Low Latency?Comica BoomX-D MI2 wireless microphone for iphone 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. ?One-Button Muting & Real-Time Monitoring?The receiver of BoomX-D MI2 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. ?2.4G Digital RF Wireless Mic with 150ft Stable Transmission?Comica BoomX-D MI2 is a compact, lightweight, and professional wireless microphone system compatible with iPhone and iPad. The working distance of up to 150ft, is ideal for Tiktok Livestream, interviews, Youtube video recordings, etc.