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$42.84Product parameters:Directivity: cardioidWheat core: diameter 16mmFrequency response: 20 hz-20khz.Sensitivity: -42 ± 2dB (1.5V, 6800)Maximum sound pressure level: 125dB (at 1kHz≤1%T. H. D)Output impedance: 680065% (0dB=1V/Pa dl 1KHz)Equivalent noise level: 16dB ASignal noise: ≥66dB ACurrent: 3mAMicrophone size: 14.5*5.4CM
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$35.48Search name: UFOBluetooth version: V4.2MIC Specification: Silicon Wheat 3729Chip: Smart chipChannel: StereoVoice call: supportSpeaker impedance: 160SPK specifications: Medium 10Frequency response: 20kHz-20kHzBattery capacity: 145mAhStandby time: about 200HCall duration: about 20H
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$32.97Type: Condenser microphoneFrequency response: 20- 16000HzPower supply mode: USB power supplyOutput interface: USB interfaceVolume control: knob type adjustmentSignal to noise ratio: >66dBImpedance: 0.68KQ1KHz (RL=0.68KQ)Maximum sound pressure level: 115dB S.P.L.Sensitivity: -39 ± 3dB RL=0.68K∩Vs=1.5V( 1KHz 0dB=1V/Pa)