Wired Head Mounted Microphone 3.5mm Plug Headset Mic for Teacher Tour Guide

Head Mounted Microphone 3.5mm Wired Headset Mic for Teacher Guide Speech. Nylon braided cable, great tensile and durable. Condenser microphone, clear sound. A head-mounted microphone, can be easily worn on the head, easy to use. Frequency range: 15 Hz to 16 kHz. 1.1m Wired Head Mounted Microphone 3.5mm Mini Condenser Headset Mic for Teacher Guide Lecture Speech. Features: Nylon braided cable, great tensile and durable. Condenser microphone, clear sound. A head-mounted microphone, can be easily worn on the head, easy to use. The 3.5mm plug has a threaded design, which makes it easier to be installed on some waist-mounted loudspeakers, not easy to fall off. Specifications: Color: Black. Type: condenser microphone. Directivity: Uni-diectivity. Sensitivity: 46±2dB. Working voltage: DC 1.0V-10V. Current consumption: Signa l to noise ratio 56dB. Frequency range: 15 Hz to 16 kHz. Cable length: about 1.1 meters/3.6ft. Notes: 1. There may be slight size deviations due to manual measurement, dif