Accessory maker TwelveSouth has a solid lineup of gadgets, many of which fill a niche that their products uniquely address — and address remarkably well. The AirFly Pro[1] ($54.99) is a new iteration on one of those, providing a way to connect Bluetooth headphones to any audio source with a 3.5mm headphone jack. It’s being sold at Apple Stores, too, as part of its launch today — and there’s good reason for that: This is the ideal way to make sure you can use your AirPods Pro just about everywhere, including with airplane seatback entertainment systems.

The AirFly Pro will work with any Bluetooth headphones, not just AirPods Pro — but the latest noise-canceling earbuds from Apple [2] are among the best available when it comes to both active noise cancellation and sound quality, both great assets for frequent travelers and people more likely to encounter an in-flight entertainment system. But the AirFly Pro has additional tricks up its sleeve that earn it the “Pro” designation.

This is the first version of the product from TwelveSouth that offers the ability to stream audio in, as well as out. That means you can use it with a car stereo system that only has auxiliary audio in, for instance, to stream directly from your iPhone to the vehicle’s sound system. The AirFly Pro can also serve that function for home stereo sound equipment, speakers or other audio equipment that accepts audio in, but not Bluetooth streaming connections.

One other neat trick the AirFly Pro packs: audio sharing, so that you can connect two pairs of headphones at once. This is similar to the native audio sharing feature that Apple introduced for its own AirPod line in the most recent iOS update,...

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