1. Custom acoustic platform delivers powerful, balanced sound 2. Control your sound with two distinct listening modes: Active Noise Cancelling (ANC) and Transparency mode 3. Three soft ear tip sizes for a stable and comfortable fit while ensuring an optimum acoustic seal 4. Up to 8 hours of listening time (up to 24 hours combined with pocket-sized charging case) 5. Industry-leading Class 1 Bluetooth for extended range and fewer dropouts 6. High-quality call performance and voice assistant interaction via built-in microphones Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store