The OH300 boasts a cutting-edge photochromic glass design that changes color to shield its internal circuit components from harmful UV rays. This feature not only enhances durability but also contributes to an exceptional musical experience. The device is equipped with a 10mm Liquid Crystal Dynamic Driver, an Oxygen-Free Copper HiFi Cable, and a built-in audio tuning board, all of which work together to deliver extraordinary anti-interference capabilities and superb sound quality.