Headband Magnifier, Head MountLighted Magnifying Glasses, 2.5X / 3.5X Dental loupes Headband Magnifying Glasses for Medical Dental Surgical Medical Binoculars,3.5X for Hobbies,Reading,Jewelr vision

Magnification: 2.5X / 3.5X, working distance: 420mm. With filter for light reduction. Height Adjustable-- Compact and stylish design, portable weight, easy to use, 3 moveable joints ensure holder can be stretched to any height according to your needs when as a desktop magnifier. With comfortable ergonomic handle suitable for children, adults, seniors, hobbyists and professionals. The lens system is equipped with an advanced achromatic optical coating that reduces light reflection to 0.3% and enables very bright and clear images with a wide field of view. Handheld or Desktop -- Magnifier glasses can be as a desktop magnifier by stretching its holder and placing it on the desk. It also can be folded to serve as a hand-held magnifier to realize wider application .