【LED Digital Display & Designed for Sports】The LED digital display on the charging case allows you to clearly and intuitively understand the power of the wireless earphones and the charging case, and whether they are fully-charged.This bluetooth headset with flexible and soft earhooks can fit different , they don’t fall off even during intense exercise and you won't feel tired and sore from wearing it for long time. Suit for sports, running, hiking, jogging, etc.【Superior High-Quality Sound】Built-in 16.2mm dynamic speaker provide crystal-clear HD stereo sound, call quality and smoother music playback. Our open headphones offers a rich and consistent listening experience at any volume, bringing an unprecedented powerful sound field experience.【Sense Your Surroundings】Open ear headphones rest on your ears without covering them and keep your ears open, you can hear your music and your surroundings at the same time. Hear approaching cars, bicycles, and family members while listening to music when jogging or working, knowing you are safe and alert for changes in your environment.【Up to 48 Hours Playtime】500mAh large capacity battery case supports 4 times fully charging for the open ear earbuds and let you enjoy more than 10 hours continuous music or 8 hours talking time on a single charge. Only takes 1.5 hours to fully charged. Actual playtime may vary depending on usage and environment.【One Step Pairing & One Button Control】Pick up the sports wireless headset from charging case, they will auto power on and pair with the device automatically. (As long as your sport earbuds have paired to the device before). Widely compatible with most bluetooth devices such as IOS, Android phones, tablets and laptops.You can press a button on any of the earbuds to play, pause songs, answer, hang up or reject calls, and activate Siri, freeing your hands.