Product Name: Anti-Blue Light Reading Glasses Material: TR (frame) + AC (lens) (Note: TR refers to thermoplastic rubber, a lightweight and flexible material commonly used for eyeglass frames; AC refers to acrylic, a transparent and impact-resistant material for lenses.) Colour: Black Degrees (Diopters): +1.00, +1.50, +2.00, +2.50, +3.00, +3.50, +4.00 (Note: Optometric degrees are standardly expressed with one decimal place in English to avoid ambiguity, e.g., "+100" is adjusted to "+1.00" for professional accuracy.) Size (Approximate): Total Frame Width: 140mm/5.20inch Lens Width: 52mm/1.73inch Lens Height: 35mm/1.41inch Nose Bridge Width: 16mm/0.67inch Temple Length: 131mm/5.35inch Product Functions: Blocks harmful blue light Protects eye health Product Details: Made of lightweight materials, ensuring comfort and safety for prolonged wear Textured temples feature an ergonomic design with a more fitting curvature (for snug, non-slip wear) Sturdy hinges allow smooth, free opening and closing; durable for long-term use Comfortable nose pads: smooth surface, no pressure on the nasal bridge Retractable and foldable structure: compact and lightweight after folding, easy to carry (ideal for bags, pockets, etc.)