These are wireless smart glasses equipped with Bluetooth 5.0 technology and built-in headphones. Audio Features: Supports stereo headphones and a noise-canceling microphone for calls and listening to music. Lenses and Frame: Comes with polarized yellow lenses (often for night vision or driving) and a frame made of durable materials like ABS or TR90. Uses: Designed for outdoor activities such as driving, cycling, and mountain climbing. These glasses were used lightly, and the reason for selling is that other headphones were purchased. The item is clean and comes with the manufacturer's charging cable.