Features: Comfortable eyeglass frame with rubber nose-pads.Alternate between wearing it as glasses or headband. The included for head strap can be attached with ease to ensure a more secure fit. Switch between 5 optical lenses using a simple click and release system. Magnification power of the for head magnifier: 1.0X, 1.5X, 2.0X, 2.5X, 3.5X. Scratch-resistant acrylic reduces weight. There are two brightness levels which provide excellent light for illuminating detailed surfaces.Two levels of brightness is available by pressing the switch on the top of the headset magnifier. See your work pieces or text magnified up to 350% original size with high clarity. Perfect Magnifying Glasses for close work like sewing, crafts, beauty,needle work, knitting, for cross stitch, embroidery, painting and coins. Headlight with 2 super-bright LED -powered by 3 AAA batteries (excluded). Specifications: Material: ABS and Acrylic Size: 180x165x90mm/7.1x6.5x3.5 inches Magnification:1X,1.5X,2X,2.5X,3.5X. Powered by 3 x AAA battery (not included) Package Includes: 1x Headband Magnifier 1 x Headband 5 x Lens note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.