The second-generation AirPods Pro may support Apple Lossless Audio Codec (ALAC), and could even come with a case that makes a sound to help you find it, according to Apple analyst Ming-Chi Kuo in a note to investors seen by AppleInsider and 9to5Mac.

There currently isn’t an AirPods model that supports lossless audio, a form of file compression that preserves all of the data in the original audio file, resulting in higher quality sound. Each AirPods model — even the pricey AirPods Max — uses Bluetooth to deliver audio, which limits the devices to using Advanced Audio Codec (AAC), a lossy form of audio compression. Thus far, the only Apple devices that can take advantage of lossless audio on Apple Music (and elsewhere) include the iPhone, iPad, Mac, Apple TV 4K, and Apple