Soundcore Liberty 5 by Anker, wireless in-ear earbuds with noise cancellation, 2× stronger noise reduction, real-time adaptive noise cancellation, fast charging, Dolby Audio, 6 AI microphones, clear calls, long battery life. 2× stronger voice reduction: 2× better voice reduction: ANC 3.0 technology and a specially designed acoustic chamber detect, suppress, and block human voices twice as effectively. This allows for a quiet journey on trains and subways. Adaptive noise cancellation The Adaptive ANC 3.0 algorithm adjusts every 0.3 seconds to account for any subtle changes in the environment, ensuring optimal and smooth noise reduction around the clock. Immersive Dolby Audio With an industry-leading Dolby Audio algorithm and custom playback modes for music, movies, and podcasts, the Liberty 5 wireless earbuds let you feel like you're in the front row at a concert. Balanced, detail-rich sound Wool-paper diaphragms, bass-enhancing tubes, LDAC, and Hi-Res Audio allow these noise-cancelling earbuds to reproduce musical nuances, delivering rich, well-balanced highs and lows. 6 AI microphones Equipped with six microphones, AI-based noise reduction, and a wind noise reduction algorithm, these wireless earbuds capture your voice and reduce background noise for natural, clear conversations as if you were speaking face to face. Fast charging, long battery life Up to 12 hours of playback on a single charge and up to 48 hours with the case in standard mode. With ANC enabled, you get 8 hours on a single charge and 32 hours total. A 10-minute quick charge provides 5 hours of playback.