COMICA CVM-WM300 is an All-Metal wireless microphone with dual-transmitter triggered by one receiver, with built-in polymer lithium battery, it utilizing UHF wireless FM technology and LED high-resolution lattice screen: 96 channels in total, 16-level adjustable volume, and integrated into LCF, Auto-scanning, Auto IR Channel-match, stereo / mono switchable audio mode, RF signal strength adjustment, MIC/LINE IN input dual selection, power monitoring at receiver end, sound pickup dynamic display, backlight adjustment and other functions, at the same time with strong shielding anti-noise performance, it's a high-quality microphone to broadcasting level.