Features: 5 Interchangeable Lenses: Comes with 1.0X, 1.5X, 2.0X, 2.5X, 3.5X magnification lenses. Acrylic lens is scratch-resistant and lightweight. Magnifying Glasses with Lights: Two super-bright angle-adjustable LED lights built into the frame. Powered by 3 AAA batteries (NOT included). Comfortable to Wear: You can wear it with the glass legs, or change to the elastic headband. Both the 2 wearing ways can reduce pressure on the nose and relieve fatigue. Adjustable Angles: Just simply moves the magnifying glass lens slot to adjust the distance between your eyes and the lens to meet different needs. Wide Applications: The head-mounted magnifying glasses is perfect for reading, sewing, cross-stitch, embroidery, jeweler’s loupe, watch repair, crafts, eyelash extensions, manicures, etc.