Soundcore Liberty 5 wireless earbuds from Anker :Key Specifications and Features Adaptive ANC 3.0: Automatically adjusts isolation every 0.3 seconds for precise reduction of ambient sounds and human noise, twice as strong. Sound: Supports immersive Dolby cinematic sound, and LDAC and Hi-Res Audio technologies for a high-definition and detailed audio experience. Battery Life: Up to 12 hours of continuous playback for a single earbud (with ANC off), and the charging case provides a total of up to 48 hours. Fast Charging: 10 minutes of fast charging gives you up to 5 hours of listening. Calls: Equipped with 6 built-in microphones powered by AI and a wind-resistant algorithm to ensure clear call quality. Water and Dust Resistance: Supports IP55 standard, making them suitable for use during sports and in rainy weather.