Color: Black, Black-Red Frame Material: PC Style: Fashion, Classic Lens Technology: Blue Light Blocking, Progressive Multifocus Lens Material: Resin Magnification Strength: 1.0x ~ 4.0x Type: Progressive Multifocal Reading Glasses Progressive multifocal glasses feature an upper optical zone for distance vision and a lower optical zone for near vision. The power gradually changes in the central area, allowing clear vision at intermediate distances. Most wearers require approximately one week to adapt to these lenses, though adaptation time varies by individual. If dizziness occurs, move slowly and take caution. When walking downstairs, lower the glasses slightly and use the upper portion of the lens for improved safety and comfort. Product Size: Total Width: 137mm (5.39inch) Frame Width: 52mm (2.05inch) Frame Height: 42mm (1.65inch) Nose Bridge Width: 16mm (0.63inch) Temples Length: 135mm (5.31inch) Weight: 21.6g (0.76oz) Package Included: 1 x Reading Glasses Note: 1. There is a 2-3% variation due to manual measurement. Please check the size carefully before purchasing. 2. A slight color difference may occur due to lighting and screen settings and is considered normal.