9x7mm Microphone with 2 pin pick-up

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Technical Parameters: Storage temperature: -22 ℃ ~ +60 ℃ Working voltage: 1.0V ~ 10V Sensitivity: -50dB Signal to noise ratio: 58dB Output impedance: 2.2KΩ Current consumption: 500uA Offset voltage characteristics: 3dB

Anti-theft Alarm DH-188 Wireless Door

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Anti-theft alarm device DH-188 wireless door/ windows anti-theft device Hot Tags: anti-theft alarm dh-188 wireless door suppliers China, manufacturers, low price, buy discount, pricelist, price, made in China

ISD1820 voice recording module with Mic+speaker

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Product Description: the main chip: ISD1820 size: 38mm * 42.5mm the working voltage: DC 3 ~ 5V Loudspeaker: 8Omega, 0.5W. Features: 1.An easy to use 10 seconds of voice recording 2.high-quality, natural voice restored 3.can be used as propaganda module 4.with looping, jog playback, single-pass play function 5.available single-chip control 6.this module can directly drive …
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Mini Buzzer Plug for PC Internal BIOS

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100% brand new and high quality Material: Plastic and Metal Use: Power on the computer, we will hear the familiar sound of “beep” a sound, generally indicating that the computer can be used normally, the sound is emitted from the “baby.” Red is positive, black line is negative (in fact, regardless of the positive and negative, …
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