XREAL Air 2 Pro Next-Generation AR Glasses Brand: XREAL Product Name: XREAL Air 2 Pro Used for six months after purchase. Used about once a month. To be honest, I rarely used it, but the product condition is listed as "Slightly scratched or dirty." [Included Items] ・Smart glasses body ・Charging cable ・Hard case ・Nose pads ・Prescription lenses Electrochromic Dimming Three dimming levels: 0% / 35% / 100% Ergonomic Design New zero-pressure nose pads Flexible temple tips Improved weight distribution 1:1 Audio Richer and more immersive audio experience brought by the 2nd generation acoustic system Reduced sound leakage due to directional audio Two microphones Weight 75g Display Latest 0.55-inch Micro-OLED panel from Sony Semiconductor Solutions Brightness 500 Nits Field of View 46 degrees PPD (Pixel per degree) 49 Refresh Rate 120Hz