Open-Back EarphonesCompared to in-ear or bone conduction earphones, the open-back earphone design allows for a superior music experience and earplug-free design. It does not block the ear canal, nor does it cause pain or damage to hearing. It is safe and comfortable to wear, perfect for running, exercising, and outdoor sports.Excellent High-Quality SoundThe built-in 16.2mm dynamic speaker provides clear HD stereo, call quality, and smoother music playback. Our open-back earphones provide a rich and consistent listening experience at any volume, bringing an unprecedented powerful sound field experience.Secure and comfortable fitThe ultra-light and ergonomic silicone ear hooks ensure a secure and comfortable fit, achieving a perfect combination of comfort and stability. It will not fall off or cause pressure on the ears during long-term intense exercise. Whether you are exercising, traveling daily, in meetings, or working from home, you will feel comfortable wearing open-back earphones.Sense the surrounding environmentThe open-back earphones are worn on the ears without covering the ears, keeping the ears open, and you can hear the music and the sounds of the surrounding environment at the same time. When listening to music while jogging or working, you can hear the sounds of cars, bicycles, and family members, know that you are safe, and be alert to changes in the surrounding environment.Up to 60 Hours Playtime1000mAh large-capacity battery case supports 4 full charges of open-ear headphones, allowing you to enjoy more than 12 hours of continuous music or 10 hours of talk time on a single charge. A full charge takes only 1.5 hours. Actual playtime may vary depending on usage and environment.