The head-mounted microphone is convenient and practical, with excellent texture, and without being easily damaged. The craftsmanship can serve you well without breaking easily. This is a very practical head-mounted microphone. Features -Color: Black -Material: plastic, iron, copper wire -Size: 25.00X15.00X5.00cm/9.82X5.89X1.97in SNR: >=75 Frequency response range: 60Hz-15KHz Pickup: Unidirectional Sensitivity: -43+/- Output impedance: <2.2k ohm Working voltage: 1.5V - The microphone can be bent arbitrarily, which is convenient to use. - Wide frequency response and high sensitivity, professional microphone core. - Suitable for teaching amplifiers, loudspeaker, voice amplifier and computer microphones. - High vocal reduction degree, will sound more pleasing to the ears. - Small and compact size, light in weight, you can carry and use it wherever . Package list: 2 x head-mount mics