【E-WOITD】 1Pcs Wired 3.5mm Plug Guide Lecture Speech Headset Mic Portable Head-mounted Headset Microphone For Teaching Meeting

Description:3.5mm JackCable Length: 100cmHigh quality Clear Sound microphoneTechnical parameters:Monomer: Back pole type electretDirectivity: single pointFrequency response: 50 hz - 16 KHZSensitivity: - 45 db + - 3 db (0 db = 1 v Pa at 1 KHZ)Output impedance: 1000 Ω plus or minus 30% (at 1 KHZ)Using voltage: 1.5 VMaterial: PlasticPackage includes:1x Clear Sound microphoneNote:1. The color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please refer to the actual product received.2. Please allow slight manual measurement deviation for the data.