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Feature

-Suitable for the visual range of 0 to 300 degrees with the long sighted crowd watch television, with zoom in/out into the TV image, close or far away to the TV image distance function, and clear images natural distortion, your eyes will not easy fatigue.
-Recommended observation distance: 3Myou can also use the diopter adjustment to adapt the glasses to other distance beside 3M.
-Lenses can be adjusted individually; turn the button ring to adjust the right object distance.glasses can be worn without prescription eyewear
-Hands-free, head-mounted glasses provide 2.1X magnification fit for Myopia
-It is a good gift for your parent and grandparent,Ideal for watching television, sporting events or any other distance viewing activity in which a magnified view would be helpful