Advanced Connectivity Wireless earbuds with Bluetooth 5.3 and True Wireless Stereo for stable and seamless connectivity. Enhanced voice intelligibility: ENC technology optimizes microphone quality for crystal clear communication. Convenience and autonomy: 400 mAh charging station that allows up to 28 hours of use, and headphones with 7 hours of autonomy on a single charge. Intuitive touch control: Key features such as playback, volume and voice assistant are available with a simple tap of a button. Portability and adjustment: Ultra-light design, compact housing and three sizes earplugs for a comfortable and secure fit; plus LED indicators for easy monitoring of charging status.