Reduce noise by up to 98.5% with our advanced noise cancelling system. Adaptive ANC 2.0 adapts to ears and environment in real-time. 11mm drivers, Hi-Res Wireless and LDAC technology for crisp sound. Full adjustable EQ with Hear ID 2.0 for a tailored sound profile. 10/50 hours of battery for long-lasting quiet. Fast Pair and Bluetooth 5.3 multi-point connection. IPX4 water-resistance against spills and rain. 6 mics and an AI algorithm enable crystal clear calls. Note: Please refer to our FAQ and How-To-Video for additional tips on pairing your Liberty 4 NC earbuds with a Samsung Galaxy S23 series mobile phone. Noise Cancelling Adapts to Ears and Environments: Adaptive ANC 2.0 makes real-time calculations and adjusts to your ear canals and external environment for maximum quiet amongst the hustle and bustle. Crisp Sound with 3× More Detail: 11mm custom-tuned drivers deliver consistently crisp and detailed sound. Experience Hi-Res wireless audio and LDAC technology that transfers 3× more data than regular Bluetooth—bringing wireless music to life. Sculpt Your Sound Profile: Not everyone listens the same, so use HearID 2.0 to find the perfect sound profile for you. If you want to mix it up, the EQ is fully adjustable or choose from 22 presets to match your audio. Long-Lasting Battery Life: In normal mode, enjoy 10 hours of playback on a single charge or up to 50 hours with the case. With ANC on, get 8 hours between charges, extendable to 40 hours with the case. Designed for Simple Connections: Liberty 4 NC enables quick, effortless Bluetooth pairing with Android devices, auto-play and pause on wear, and multi-point connection with Bluetooth 5.3. IPX4 Water-Resistant: Don't let light rain or an accidental spill ruin your commute. Liberty 4 NC wireless noise cancelling earbuds come with IPX4 water-resistance to give you peace of mind during your travels. 6-Mic AI Clear Calls: Don't be that person who shouts over the phone. 6 beamforming mics and an AI algorithm amplify your voice while reducing background noise, so you can talk on the phone without the whole car listening.