A. These compact reading glasses are quite portable. You can put them in your purse, clip them on your shirt pocket, store them in your bag, or keep them in the glove compartment of your car, etc. They are suitable for men and women to carry when traveling or going outside. B. The pen reading glasses are made of blue - light - blocking lenses. They can be used not only for reading books and papers but also for watching TV, browsing on computers, tablets, and smartphones. These slim readers can filter a large proportion of UVA and UVB rays and block harmful blue light from digital devices. C. The pocket readers are made of durable materials that are lightweight and sturdy. Due to the metal rim, the slim reading glasses are less likely to break. The resin lens makes the pocket reading glasses for men and women lighter compared to many other reading glasses. D. Every pair of metal reading glasses comes with a pen - clip tube case, which looks nice and fashionable. E. You can get 3 pairs of blue - light - blocking reading glasses in different colors at an affordable price. One pair can be for your own use, another can be kept as a spare, and the last pair can be sent to your friend or family member.