ASTRIA COAXIAL ACOUSTIC ARCHITECTURE A state-of-the-art design which integrates a customized Knowles balanced armature and an 11mm dynamic driver into a single body. Aligned direct-to-ear, Astria eliminates interference while creating harmonised treble and bass for the most natural and expansive sound ever heard from truly wireless earbuds. Music is played at stadium scale with breathtaking clarity and fidelity. IN-EAR STUDIO PERFORMANCE The ideal studio recording is one that perfectly captures every note, every lyric, and every drop of emotion. But recording is only half the challenge. To deliver the most thrilling musical experiences, earbuds need to recreate that sound on the same scale. Thanks to the ACAA (Astria Coaxial Acoustic Architecture), this is now achievable. Sound is delivered at stadium-scale with impeccable depth and nuance. Every instrument presented perfectly across an expansive soundstage for a stunning representation of what the sound engineer and artist hoped you would hear. HearID CUSTOM SOUND Your ears and hearing are as unique as your fingerprints. Earbuds that sound incredible to you may sound only mediocre to someone else. To ensure everyone gets a flawless listening experience with Liberty 2 Pro, HearID intelligently tests your hearing and creates a tailor-made sound profile just for your ears. The Soundcore app also allows you to take complete control over the EQ and provides 22 preset profiles. So you can remix, optimize, and personalize to perfection. ALL-DAY PLAY Get 8 hours from a single charge and then another 4 full recharges from the charging case. And with USB-C fast charging, you’ll get 2 hours of listening from a quick 10-minute charge. FLAWLESS CALLS 4 microphones combine with ambient-noise cancelling cVc technology to deliver a crystal-clear call experience from any location. Get calls with 60% less noise and super-precise 95% voice isolation.