• Product Overview: The Anker Soundcore Liberty 4 NC True Wireless Earbuds set a new standard for high-performance noise cancellation and sound quality. Powered by Adaptive ANC 2.0, these earbuds automatically adapt to your ear shape and surrounding environment in real-time to reduce ambient noise by up to 98.5%. With custom 11mm drivers, Hi-Res Wireless certification, and LDAC audio codec support, the Liberty 4 NC delivers rich bass, clear mids, and ultra-detailed highs for an exceptional listening experience. • Key Highlight 1: Adaptive ANC 2.0 - Real-time noise cancellation system that analyzes environment and ear canal to block up to 98.5% of external noise. • Key Highlight 2: Hi-Res Audio & LDAC Technology - Custom 11mm drivers paired with LDAC technology transfer 3x more data than standard Bluetooth for lossless sound quality. • Key Highlight 3: Extended 50-Hour Playtime - Up to 10 hours of playback on a single charge and up to 50 hours total with the wireless charging case. • Key Highlight 4: AI Crystal-Clear Calls - Equipped with 6 beamforming microphones and an AI algorithm to isolate your voice during phone calls.