Soundcore by Anker Liberty 4 NC Wireless Earbuds — Adaptive ANC 2.0 (98.5% Noise Reduction), Hi-Res LDAC, 50H Battery, Wireless Charging, Bluetooth 5.3

Adaptive noise cancelling that reacts to ears and surroundings: Adaptive ANC 2.0 performs real-time calculations to adjust to your ear canals and the external environment, providing up to 98.5% noise reduction so you can enjoy quiet in noisy places. Detailed, high-resolution audio: 11mm custom-tuned drivers deliver clear, crisp sound. Hi-Res wireless playback is enabled by LDAC technology, which transfers 3× more data than regular Bluetooth to preserve fine musical detail. Personalize your sound: Use HearID 2.0 to generate a custom listening profile, tweak the fully adjustable EQ, or choose from 22 presets to match your taste. All-day battery and convenient charging: In normal mode get 10 hours per charge (up to 50 hours with the case). With ANC active enjoy 8 hours per charge (up to 40 hours with the case). The earbuds also support wireless charging and connect via Bluetooth 5.3.