Specifications 3 LENSES 6 MAGNIFICATIONS: There are two lens slots in the head-mounted magnifying glass. You can insert one or two different magnifying glasses into the slot at the same time. The headband magnifying glass has 3 interchangeable magnifying glasses: 1.5x, 2.0x, and 2.5x. Higher magnification can be created by combining two lenses. (3.5x, 4.0x, 4.5x). RECHARGEABLE BUILT-IN LIGHT: The USB rechargeable magnifying glass (included) can be fully charged quickly. The magnifying glass's built-in light has 2 brightness levels, which can provide you with brighter and clearer visual effects. You can adjust the lighting angle according to your needs thanks to the rotatable LED light. . FLIP-UP COMFORTABLE DESIGN: The magnifying glass has a soft nose pad and is comfortable to wear. The magnifying glass's non-slip frame means you don't have to worry about it slipping off. When the dual lens combination is not needed, you can easily flip up the front lens thanks to the flip-up design. STORAGE CASE FOR LENS WITH 5H HARDNESS: The storage box and pouch can protect the lens and magnifying glass and prevent them from wear and scratches. The lens's surface hardness reaches a 5H level, ensuring wear resistance and durability. WIDE RANGE OF USE: The hands-free headband magnifying glass can be used for various purposes: watch repair, reading, crafts, sewing, jewelry making, painting, observation, soldering. If you have any questions, please contact us. Notes 1. Please allow a slight measurement deviation due to manual measurement. 2. Due to different display and lighting effects, the actual color of the product may differ slightly from the color shown in the pictures. Thank you 3. Please leave a message before leaving bad feedback if there are any problems with the products. Thank you for your understanding.