【Enhanced Noise Cancellation (ENC)】Our advanced ENC technology reduces background noise, ensuring crystal-clear phone calls with a stable signal. Control various functions such as answering/rejecting calls, adjusting volume, switching music, and activating voice assistants—all with the buttons on each earbud. Enjoy stereo sound and make hands-free calls during your workouts or outdoor activities.【Power Display for Charging Case】Stay informed about your earbuds' battery status with the LED bars on the charging case. When the earbuds are charging, the LED bars will flash, and once fully charged, the LED bars will stop flashing.【Ultra Lightweight and Comfortable Fit】We've meticulously polished and refined the surface and angle of the in-ear part of our earbuds to achieve the perfect balance between aesthetics and comfort. The ergonomic design makes them compatible for small ears and ensures a comfortable fit, allowing you to wear them for extended periods.【Auto Pairing】Simply pick up the earphones from the charging case, and they will automatically power on and pair with each other. Activate the Bluetooth function on your mobile phone to connect effortlessly. Once you've established the initial connection, our sports earbuds will automatically connect to the last paired device upon re-boot.【Engineered for Sports】Designed with sports in mind, our earbuds provide a secure and comfortable fit during physical activities such as running, outdoor workouts, and more. You can enjoy your favorite music without worrying about the earbuds slipping or falling out.