The BOYA BY-WFM12 is a 12-Channel VHF Wireless Microphone System, capturing audio with smartphones, DSLRs, camcorders, audio recorders, PCs and more. This system is ideal for interviews, film making, and business presentations, or other applications that require portability. Each transmitter has two MIC socket, it allows us to use two microphones at the same time. Both the receiver and transmitter are lightweight and easy to use, offering flexibility without sacrificing high-quality audio. while operating at a range of up to 40m (131 feet) away without obstacles. - High-band VHF operation for superior sound - Wide compatibility for smartphones, DSLRs, camcorders, audio recorders, PCs - Compander-Free System assures the delivery of high-quality audio - 12 switchable frequencies for interference-free operation - Automatically matched frequency for Receiver - Real-time monitoring capability - A detachable and flexible antenna can be positioned for best reception - Receiver and transmitter are each powered by two AA batteries