Widely Application: Distortion-free optical grade lenses allow you to see small details clearly. See your work pieces or text magnified up to 350% original size with high clarity. Perfect Magnifying Glasses with light for close work like sewing, crafts, eyelash extensions, needle work, cross stitch, embroidery, nail painting, miniature painting and electronic repair. RECHARGEABLE DESIGN: This magnifying glass with light is equipped with a rechargeable built-in lithium battery and comes with a USB charging cable, simply plug the cord into the magnifier and the other end into the slot of a USB power source(such as a USB wall charger, a cell phone charger or a power bank, not included) and it automatically charges. Save money and energy while enjoying long lasting bright light. You will never need to buy batteries again!. ADJUSTABLE BRIGHTNESS LEVELS: There are two brightness levels which provide excellent light for illuminating detailed surfaces. Two levels of brightness are available by pressing the switch on the top of the headset magnifier. COMFORTABLE AND EASY TO USE: Comfortable eyeglass frame with rubber nose-pads. Alternate between wearing it as glasses or headband. The included head strap can be attached with ease to ensure a more secure fit. LED HEAD MAGNIFIER WITH A STORAGE CASE:Headset Magnifier comes with 5 magnification lenses 1x, 1.5x, 2x, 2.5x, 3.5x, rechargeable LED Light and an interchangeable elastic head strap. The Protective Storage Case keeps your magnifying glasses Safe and Clean,great for travelling,perfect gift for families and friends.