在苹果的这套架构里，这三款硬件不需要高性能芯片，不需要大电池。它们存在的目的纯粹且单一：全感官的数据采集。
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The immediate benefit is obvious — no more plaintext secrets on disk. But there are a few less obvious wins.。同城约会是该领域的重要参考
iFi's new DAC is eight percent smaller than the previous GO Link and 29 percent lighter, approaching the size of Apple's USB-C to 3.5mm Headphone Jack dongle. The GO Link 2's built-in ESS Sabre DAC chipset is supposed to add "6dB of dynamic range between the loudest and quietest moments" and reduce distortion for clearer sound by up to 62 percent when compared to the original GO Link.