The Oba-F11 Smart Bluetooth glasses feature a built-in speaker and microphone for wireless audio transmission and communication. These unisex glasses are equipped with Bluetooth 5.0 for seamless connectivity to compatible devices, allowing you to listen to music, manage tracks, adjust volume, and activate voice assistants through controls on the frame. The polarized lenses provide UV-400 protection, reduce glare, and enhance visual clarity. With an IP57 certification, the glasses are water and dust resistant, making them suitable for use in various environments. The open-ear speaker system delivers high-quality sound with noise cancellation while allowing awareness of your surroundings, supporting up to 4 hours of audio or talk time and 200 hours of standby time with a quick charge of about 1 hour. The lightweight, modern design in black is ideal for activities such as cycling, jogging, skiing, or casual use, ensuring comfort and safety during wear.