by Anker Liberty 4 NC Wireless Earbuds — Adaptive ANC 2.0 (98.5% Noise Reduction), Hi-Res LDAC, 11mm Drivers, 50H Battery, Wireless Charging, Bluetooth 5.3

Quiet that adapts: Adaptive ANC 2.0 continuously analyzes your ear canals and surrounding noise to deliver up to 98.5% noise reduction, keeping distractions at bay in busy settings. Detailed, high-resolution audio: 11mm custom-tuned drivers provide clear, finely textured sound, and LDAC support enables Hi-Res wireless playback by transferring 3× more data than standard Bluetooth. Tailor the sound to you: HearID 2.0 creates a personalized audio profile, plus a fully adjustable EQ and 22 presets let you shape tonal balance the way you like. Everyday convenience: long-lasting playback with up to 50H battery life, plus wireless charging and reliable Bluetooth 5.3 connectivity.