• Light and comfortable: each pair of glasses weighs only 25 grams, with a lightweight plastic frame that ensures comfort without burden. • Blue light protection: anti-blue light lenses effectively block 90% of visible light between 415 and 455 nm, protecting your eyes from damage when using digital products, reducing eye strain, and promoting sleep. • Spring hinge: the elastic strap design adjusts the distance between the temples according to the shape of the face, making it suitable for all face shapes. • Modern design: the case is suitable for people of all ages. The transparent design is modern and the color combination (red, gray, blue, dark blue) allows for fashionable reading glasses. • Product measurements: Total frame width: 134 mm, Lens height: 38 mm, Lens width: 50 mm, Bridge: 18 mm, Arm length: 145 mm, Net weight: 25 g. • Available diopters: +1.0/1.5/2.0/2.5/3.0/3.5.