Adjustable Nose Bridge: The magnifying glasses are made of stainless steel and soft rubber overmolding and can be adjusted according to the shape of the nose bridge, and the shape of the nose bridge can be adjusted freely. Movable Lens: The groove of the movable lens can be moved back and forth and 180 degree rotation to adjust the focusing length and eye distance. Five Magnifications: Head-mounted multi-function magnifying glass, you can see clearly even the smallest words when you wear it, and you can replace it with five magnifications. U-shaped Notch Design: The U-shaped notch makes it easier to observe objects at close range, and the angle of the adjustable LED light can accurately illuminate the appearance of the observed object, which is more convenient to use. Included Structure: The inner and outer teeth are enclosed in the structure, which is not easy to fall off, flexible and repeatedly flipped during observation, which is durable and long-lasting. Item Type: Head Mounted Magnifier Material: ABS, Acrylic optical lens, Metal fittings Battery Type: Button battery x3 Size: Approx. 210 x 150 x 55mm / 8.3 x 5.9 x 2.2in(Unfolded), Approx. 135 x 150 x 55mm / 5.3 x 5.9 x 2.2in(Foldable) 1 x Head Mounted Magnifier Satisfaction Guarantee: Customers are our top priority. If you find any problem with the product, please contact the seller immediately. We strive to provide satisfactory customer service.