OVERVIEW: Diamond-Inspired Sound: Ultra-lightweight, yet rigiddiamond-inspired drivers produce sound with flawless accuracy. Crystal-Clear Calls: Liberty Air 2 true wireless earphones have 4 built-in microphones with cVc 8.0 noise reduction technology. This ensures your voice is optimized while ambient noises are suppressed. Soundcore App: Use the app to enhance your listening experience—choose from 22 EQ settings or use HearID to create your own personalized sound profile. Other functions...