Experience unparalleled quiet with Liberty 4 NC noise cancelling earbuds. Featuring Adaptive ANC 2.0, they intelligently adjust to your ear canals and surroundings, canceling up to 98.5% of noise for peaceful travel. Enjoy crisp, detailed sound thanks to 11mm custom-tuned drivers and Hi-Res wireless audio with LDAC technology. Personalize your listening experience with HearID 2.0 sound profiling or choose from 22 EQ presets. These earbuds offer long-lasting battery life, with up to 50 hours of playback with the charging case. They also feature quick Bluetooth pairing, auto-play/pause, and multi-point connection with Bluetooth 5.3. With IPX4 water-resistance, they can handle light rain or accidental spills. Crystal-clear calls are ensured by 6 beamforming microphones and an AI algorithm that amplifies your voice while reducing background noise.