Open-Ear Headphones That Don't Block Your Ears: These headphones allow you to stay aware of your surroundings while you're out and about or doing chores, so you can use them with peace of mind. You can also respond to sudden conversations without removing the headphones. Adjustable Ear Hooks: The ear hooks can be adjusted to four different angles, providing high stability and a comfortable fit. By securely fitting the shape of your ear, sound leakage is also reduced. Customizable Lights: Equipped with customizable lights that can be set to a variety of colors to suit your usage scenario, such as nighttime running. Enjoy the lights to match your mood. Abundant Features: Equipped with various convenient features, including IP55 dustproof and waterproof rating, multi-point connection, and equalizer settings via the app. Also supports quick charging, with approximately 10 minutes of charging providing up to 1 hour of music playback. Package Contents: Package Contents: Main unit, charging case, USB-C cable, quick start guide, product certified with the Technical Regulations Conformity Certification Mark (Frequency band: 2.40-2.48GHz) Y427