HM-4D Headband Magnifier, featuring a versatile 4-lens system and two brilliant LED lights, offering magnification ranging from 1.5x to 3.5x with a single lens and up to 5x magnification with two lenses. Engineered for precision, this magnifier is perfect for repetitive, detailed tasks requiring hands-free operation. Crafted with optical-grade acrylic lenses, the HM-4D delivers a dynamic magnified view, with lenses that easily flip up for normal viewing when necessary. The prismatic lenses ensure both eyes focus accurately on the object being viewed, reducing eye strain and fatigue during prolonged use. Designed for comfort and adjustability, the headband features an easy-to-adjust design to fit all head sizes comfortably. The magnifier comes equipped with four lenses - 1.5x, 2x, 2.5x, and 3.5x - providing various magnification options with differing focal lengths. Additionally, when used in combination, these lenses can offer magnifications of 2.75x, 3.5x, 4x, and 5x, catering to a wide range of magnification needs.