The "AirPods next gen 2" can refer to either the AirPods (2nd generation) or the AirPods Pro (2nd generation), depending on the model. The original AirPods (2nd gen) use the H1 chip for faster pairing and voice control for Siri, while the AirPods Pro (2nd gen) feature the H2 chip for improved Active Noise Cancellation, Transparency Mode, and Spatial Audio, along with a new charging case with a speaker and lanyard loop