The Green Lion Hamburg Smart Glasses are the perfect combination of style and technology for a hands-free experience. Designed with an anti-blue lens and UV400 protection, they reduce eye strain while offering clear vision. With Bluetooth V5.4, built-in speakers, and a microphone, these smart glasses let one enjoy playing wireless music, making hands-free calls, and even activating voice assistants. This product is equipped with intuitive touch controls that users can pause/play songs, answer/reject calls, and even control a remote camera. They contain dual 55mAh batteries for 5 hours of playtime and use magnetic charging, so recharges are quick, taking just 1.5 hours.