Head-mounted magnifier, USB rechargeable LED adjustable magnifier for reading Length 285 - 356 mm width 215 mm height 99 mm Comfortable to Wear: The internal foam sponge makes the head-mounted magnifier more comfortable to wear. There are two knobs on the right and left sides that give you the freedom to adjust the entire enlarged frame up and down to any angle you want to best fit your head. Wide Range of Use: LED magnifier is ideal for precise and accurate work, freeing your hands, perfect for reading, crafts, sewing, stitching, weaving, beading, etc. Multiple Magnifications: Allows for independent use, magnifications can work in combination in 2 places, magnification 3.0x, 4.0x, 4.5x, 5.0x, 5.5x, 6.0x etc., very useful. Clear Magnification: 4.72 x 1.97 inch large lenses provide clear vision of magnified images, with 5 pieces of lenses with different magnifications of 1.0x, 1.5x, 2.0x, 2.5x, and 3.5x. Great LED Headlight: Equipped with 8 LED lights, the detachable headlight offers you 3 lighting modes: warm, cool, and mixed, the light is also rotatable. There may be size errors in the product you receive due to manual measurement. The product you receive may differ slightly from the picture due to different instructors. Thank you for meeting me, I hope I can help you. Happy life. Actual quantity delivered: 1 piece(s) 100% Satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sales customer service.