Immersive BassUp Technology & Anti-Sound-Leakage: Our adaptive bass enhancement algorithm intelligently boosts lower frequencies, revealing rich, deep details without distortion. Coupled with the U-shape directional speaker, sound is precisely delivered to your ears, ensuring clear, loud audio that remains private and minimizes leakage Feather-Light 8.8g Comfort:: Experience a feather-light, pressure-free fit with each earpiece weighing just 8.8g. The unique open-ear design keeps your ears dry and comfortable for hours, making it ideal for workdays, workouts, or commutes. Enjoy total freedom without interfering with glasses or earrings Secure Fit for Active Lifestyles: The ergonomic ear-hook design wraps snugly around your ear, keeping these open ear earbuds firmly in place during sports, workouts, and commutes 36-Hour Power for Active Lifestyles: Built for movement. These open ear earbuds offer 12 hours of battery, plus 24 hours from the case, ensuring your music and podcasts keep going through workouts and daily commutes Sweat & Splash Proof (IPX5): Take on any workout or weather. Built to resist intense sweat and rain, so you can focus on your performance without worry Clear Calls in Any Environment: Don’t let background noise interrupt your conversations. Our dual-mic ENC system intelligently cancels distractions so your voice comes through crisp and clear—even on busy streets Baseus Eli 2i Fit - All-Day Comfort Open-Ear Headphones, 8.8g Secure Fit, 36H Battery, BassUp Technology & Sound Leakage, IPX5 Waterproof, ENC Call, Comfortable for Cycling,Running,Workout