Open Earmuff DesignThe open-ear Bluetooth earphones feature a revolutionary ergonomic design that allows you to listen to your favorite music while keeping an eye on your surroundings. With this innovatively designed sporty open earbud, you can hear external sounds clearly without compromising comfort. The open-ear Bluetooth earbuds have a unique shape that does not need to be plugged into the ear canal, and no longer cause ear pain due to long-term wearing.Bluetooth 5.3 Enhanced ConnectivityExperience faster and more stable transmission speeds with Bluetooth 5.3 technology. Our wireless earbuds pair and connect seamlessly with your smart device, ensuring high-quality sound, ultra-low latency, and perfect synchronization. Enjoy music without losing or interrupting the signal. The Bluetooth earbuds are equipped with flexible touch controls that perform all functions with a single tap.Battery Life10 hours of continuous playtime, the case can be fully charged in 1 hour via the fast charging Type-C cable (included).High-fidelity Clear CallsEquipped with advanced dual built-in microphones, the earmuff Bluetooth earbuds provide clear hands-free calls. In addition, the speakers deliver powerful, high-quality sound for an immersive audio experience. The wireless Bluetooth earphones can be easily connected to almost any Bluetooth-enabled audio device, providing you with the versatility to use various types of devices as needed.Lightweight and Secure FitOur open-ear earphones are extremely lightweight. Made of high-quality soft silicone material. With our original gravity-balanced design, the over-ear earbuds distribute the weight evenly around your ears, alleviating single-point pressure. The multi-point support system evenly distributes the weight on your ears to prevent them from falling, making them perfect for running, fitness activities, meetings, or outdoor activities.