This headband magnifier is a high quality head-mounted magnifier with super bright LED headlights. 1 fixed magnification 2X, 3 interchangeable lenses (1.5X, 2.5X, 3.5X) to meet your viewing needs. The ergonomic design provides a comfortable fit, and these magnifiers provide good reading aid for people of all ages. Application range The perfect lens adjusts the magnifying glass for clear, lightweight, comfortable and ergonomic design. It can also be used with reading glasses. Suitable for the elderly, amateurs and professionals. specification - Product material: Acrylic lens ABS - Magnification: 2X, 1.5X, 2.5X, 3.5X - Weight: 270g - Battery: 3 LR1130 battery powered (included) note: Do not expose it to direct sunlight to prevent fire. Do not use corrosive liquids for cleaning, but use a soft cloth to cleanUltra-bright headlights: LEDs are very bright and have sufficient light to ensure accurate illumination of the surface of the object being viewed, making it easier to use. This magnifier light can be used as a headlight at night. No need to worry about lighting conditions at any time and anywhere. Powered by 3 LR1130 battery (included). 4 magnifying glass lenses - 1 fixed magnification 2X, 3 interchangeable lenses (1.5X, 2.5X, 3.5X), to meet your needs, and packaged, easy to carry and long-term storage. Glass angle 180 adjustment - Acrylic lens can be rotated up and down 180 degrees. Comfort and style - the headband is adjustable. Ergonomic frame design. The headband magnifier is so light that you don't feel any burden or discomfort. Versatile: The personal lens magnifier can be easily assembled and disassembled. The perfect earphone magnifier can be used for close work such as dentists, electricians, jewelers, sewing, crafts, beauty, painting and the elderly.