Nady HM-10 Headmic Series Headworn Omni-Directional Condenser Microphone with 3.5mm Phono Plug (Black) Omni-directional electret condenser mic Durable thin-metal frame Ergonomic design and comfortable fit Includes 3.5mm phono plug for wired and wireless applications (fits most standard wireless bodypack transmitters) and mini-XLR connectivity also available, sold seperately Require low voltage phantom power as supplied by most wireless bodypack transmitters 9~52V adapter supplied for wired applications