Endurance sports wireless neckband earphones are designed for athletes, featuring a secure, sweat-proof fit with technologies like TwistLock and FlipHook to stay in place during intense workouts. They connect wirelessly via Bluetooth for high-quality music playback and include a built-in microphone for hands-free calls. Common features include long battery life, water and sweat resistance, and magnetic earbud tips to keep them around your neck when not in use.