Up to 5x magnification thanks to different lenses -- 1.0X, 1.5X, 2.0X, 2.5X, 3.5X, the selection of lenses for your needs is individually adjustable, with excellent magnification and the distance between the eyes and the magnifying inserts can be finely adjusted. The glasses also have a lamp with 2 LEDs, which is powered by 3 x AAA batteries (not included, because of shipping safety). Bright enough to work fatigue-free in the dark or in low light. The headband is included which is attached to the ends of the headband. This allows more freedom of movement and a firm fit of the glasses. With prolonged use, the nose is also relieved by the band and thus allows for longer work. The glasses sit firmly and comfortably in place even with the heaviest and thickest lenses. The nose band and forehead area are well padded. Headband glasses can be used with any goggles, including a foil-vision goggles. The individual glasses\/magnifying glass can be easily mounted and dismantled. The perfect headband goggles for dentists, electricians, jewellers, housewives, DIYers, sewing, crafts, cosmetics and elderly people and many more possibilities.