EXMAX Head worn Head set microphones are perfect for wireless body pack transmitters,voice amplifiers, digital voice recorders, pod casting, Houses of Worship, Lecturers, professional stage performance use.. These stylish lightweight microphones are adjustable for all head sizes,stage entertainers, singing, dancing and commercial exhibitions, the lightweight and simple design enables the headset to be worn for long periods of time with maximum comfort and freedom of movement. Ergonomic design and comfortable fit with or without glasses, hats, or headphones and no hairstyle hindrance. omni-directional back-electret condenser mic ensures clean transparent audio and enhanced vocal pickup with improved gain before feedback. Features: 1. Lightweight design, perfect for wearing for long periods of time / performances.. 2. Designed for Use on Stage, Houses of Worship, Lecturers and Other Applications Requiring Minimum Microphone Visibility with hand-free Operation 3. Professional vocal pickup condenser microphone 4. Double earhook with 3.5mm Plug 5. With a smooth steel ear-hang, soft and flexible ear-hook giving you a more comfortable and stable wear... Specification: Polar pattem: Omnidirectional (Omnidirectional microphone sensitive to sound in all directions. Unidirectional microphone is only sensitive to sound in one direction) Mic diameter: 4.0*1.5mm Sensitivity: - 45db¡À4db Frequency Range: 20-20KHZ Output Impedance: 58db Cable:1.2m Net Weight:16g(w/o adapter plug) Package included: 1pcs 3.5mm plug Omnidirectional Headset Headworn Microphone 1pcs of windshields