You can retire the AirPods argument. The W1 chip is in the AirPods, the device that it connects to doesn't need to have a W1, the only requirement is OS suppor

You can retire the AirPods argument. The W1 chip is in the AirPods, the device that it connects to doesn't need to have a W1, the only requirement is OS support, that includes Macs running Sierra. Under system requirements: "Mac models with macOS Sierra or later"