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The Twelve South AirFly Pro 2 is on sale during Amazon Prime Day, dropping from $60 to $47, or 21% off. This deal applies only to the AirFly Pro 2 in White, Black, and Coastal Blue.

Also: Prime Day 3 is here: We hand-picked the 95+ best deals today and are tracking them live

Though we live in a digital world, some of our audio devices are still analog at heart. A plane's infotainment system, your car's older stereo, a turntable, or certain gym equipment rely on a 3.5mm jack, an analog method for transmitting audio. As more headphones and smartphones omit the 3.5mm jack in favor of the USB-C port for wired audio, gadgets like the AirFly Pro 2 become more relevant for bridging the gap.