Spring hinge can be extended 180° outward, no face, adjustable headband, comfortable to wear, telescopic temples, adjustable size, not easy to fall off
Magnetic closure - The glasses are closed on the deck with a powerful magnet. So you can wear your glasses around your neck and prevent it from falling.
A variety of uses - glasses are designed for reading and writing, but also suitable for work, electricity, DIY, sewing, computers, tablets
Comfortable and durable - light weight, flexible material. Even if you wear them all day, its design guarantees great comfort.