Bifocal reading glasses are great for reading and seeing distant objects without having to remove them frequently. Smart progressive lens zoom. Fashionable frameless reading glasses are made of TR90 material, which is light, comfortable, flexible and not easy to be damaged. Not only do they provide the wearer with a wider field of view, but they also present an elegant and stylish appearance. Optional diopters: 1.0x, 1.5x, 2.0x, 2.5x, 3.0x, 3.5x Color: black, red, blue Applicable people: men, women Usage: office, reading, home, travel, shopping packing list 2x reading glasses 2x glasses case 2x cleaning Instructions for use: Please use a glasses cleaning instead of a handkerchief or your hands to clean your glasses to extend the life of your glasses. Notice: When you are not using your glasses, please put them in the glasses case to avoid unnecessary scratches on the lenses, which will affect your use. ?The transparent lenses are made of resin, which is not easy to break, has high clarity, no glare, and is scratch-resistant. You don't have to worry about eye fatigue or blurred vision even if you wear it for a long time, giving you better vision. Anti-blue light computer glasses can reduce glare, eye strain and dry eyes, headaches, and help you sleep better. Especially those who spend 6-8 hours a day in front of a digital screen. In bifocal reading glasses, there is no clear dividing line between the focal points of progressive lenses. No need to take off your glasses. Move your eyes from top to bottom to see different visual areas near and far. Product size: frame width 13.8cm 5.4in lens height 3.7cm 1.4in lens width 5.5cm 2.1in nose bridge 1.5cm 0.6in temple length 14.5cm 5.7in. The lightweight design of the frameless TR90 reading glasses allows you to forget about wearing glasses, and your ears and temples will not be hurt. Soft and comfortable, suitable for most face shapes.