3959 ADAFRUIT | Alldatasheet
Document overview
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Technical content
Analog Potentiometer Volume Adjustable TRRS Headset PRODUCT ID: 3959 Most modern headphone sets are purely digital - with three volume control buttons in-line with the cable. These he adphones are interesting in that they have an analog volume control potentiometer. Perfect for use with electronic projects that don't have a volume control, or for phones that don't know how to use the digital buttons. There is one button on the headset, often used for 'pause' or 'mute' - when pressed it grounds the microphone pin. These earbud headphones are the perfect accessory for your FONA - they've been tested to work with our modules - but can be used with any iOS or Android device that uses a TRRS pinout. The buds themselves are 16mm in diameter and at a nice 46" long. They come with a standard 3.5mm headphone jack, handy volume control box, and shirt clip.
Headphone Diameter: 16mm / .63" Overall Length: 116.8cm / 3.8' https://www.adafruit.com/product/3959 10‐24‐18