---HIGH-QUALITY MATERIALS --- ABS and metal materials are safe, odorless, non-toxic, environmentally friendly and durable. This magnifier eyeglasses is available to fit most all head sizes. Easy to replace batteries, light weight. ---HUMANIZED DESIGN --- Left/right double eye patches magnifier with LED, it more convenient to use than the traditional handheld magnifiers, free your hands and help you see things much clearer. Detachable bracket and headband ensure comfortable wearing and reduce fatigue, it can help you work in the low-light. ---REPLACEABLE LENS --- 4 pairs of replaceable lens with different magnifications,10X 15X 20X 25X meet your different demands. ---PORTABLE --- Portable design makes it compact and lightweight for easy carry.