?Build-in Li-Battery & Long Working Distance?Built-in 600mAh rechargeable Li-ion battery, BoomX U2 clip-on microphone system can provide 6 hours of working time on a single charge. Moreover, the working distance is up to 394 ft in an open area and 262ft in an obstacle area, decreg the limit of distance, allowing you more activities. Widely used for Youtube, Vlogging, Podcasting, Facebook Video Recording, Live-stream, Interview, Presentation, Church, Wedding and etc. ?LCD Display & Screen Flip Function?Adopting with LCD screen, the clip-on microphone system has better brightness and contrast, strong layering, giving you a more comfortable visual experience. Also, it features with screen flip function, which can flip the screen to 180° according to your need, bringing you more convenient using experience. ?Real-time Audio Monitoring?With Real-time Monitoring Function of the professional wireless lavalier mic system, you can test whether it is working normally during recording to make sure the smooth recording. BoomX-U2 wireless microphone brings you more professional and convenient recording. ?Mono/Stereo Switch & Two Input Modes?The wireless lavalier mic provides mono/stereo modes switch modes. Selecting stereo radio provides rich audio materials for creating sound effects for videos, which makes your video more professional and more vivid. Besides, featuring with two audio input methods (internal input mode and external input mode), this wireless microphone can adapt to more complex occasions flexibly and solve most problems at the process of shooting for you. ?Professional UHF Wireless Microphone System?COMICA BoomX U2 Qua broadcasting-level UHF wireless lavalier microphone comes with 48 channels to switch, when the recording is disturbed in the same space or near distance, you can switch to other channels to get a more stable recording signal. Besides, dual transmitters triggered by one receiver, it supports 2 or more people to use at the same time, and also support multiple devices to work together.