New ND Photochromic Sunglasses Manual-Adjustment Retro Round Frames Steampunk Style UV Protection Distinctive Fashion Sunglasses Name: ND dimming sunglasses Glasses structure: full frame glasses Glasses style: round frame Frame material: PC Lens material: PC Lens color: grey Lens width: 46mm Lens Height: 50mm Nose pitch: 23mm Temple length: 136mm Total width of frame: 140mm Weight of glasses: 28.1g Features: Can rotate the lens to adjust the light intensity, adapt to different scenes, suitable for driving, fishing, mountaineering and outdoor activities, etc