[Extensive Connection] With v5.0+edr technology, these glasses offer a stable connection up to 10‑15 meters away, allowing you to easily connect with various devices for calls or music playback. [Long-lasting Battery] The smart glasses come with a 120mah lithium ion battery, providing up to 200 hours of standby time with just 1.5‑2 hours of charging, ensuring convenience for your daily activities. [Smart Experience] Enjoy sound quality with the premium built-in system, perfect for taking calls or listening to music while on the go. [Effective Blue Light Filtering] These smart glasses feature standard blue light filtering lenses to protect your eyes from electronic device-generated blue light, preventing eye fatigue and viewing loss. [Sleek and Versatile Design] Made of lightweight and pc material, the glasses are designed to adapt to various face shapes, suitable for both work and leisure, showcasing your personal style.