The Anker Soundcore Liberty 4 NC Wireless Earbuds offer an advanced audio experience, combining high-quality sound with powerful noise cancellation technology. Featuring Ultra Noise Cancelling 3.0, the earbuds automatically adapt to surrounding noise conditions to provide effective noise reduction in different environments. They are equipped with 11mm drivers and support Hi-Res audio via LDAC, delivering clear and detailed sound performance. The earbuds support Bluetooth 5.3 with multi-point connectivity, allowing connection to two devices simultaneously. They also support wireless charging and offer up to 10 hours of playback, extending to 50 hours with the charging case. With IPX4 water resistance and customizable sound via the Soundcore app and HearID technology, they provide a versatile and user-focused listening experience