2016 年秋天，苹果拿掉 iPhone 7 的 3.5mm 接口，随之而来的，是 AirPods 的横空出世。苹果通过无线连接、入耳检测、空间音频等技术，对听觉体验进行了一波大升级，虽然 EarPods 没有被立刻抛弃，还能正常使用，但实际上，你需要购买 AirPods，才能获得升级后的体验。
do. (In fact, the new scheme at worst has to copy one more element
，详情可参考同城约会
Wide variety of templates to fit multiple uses
Incidentally, you might wonder about the software that ran on the host computer.