RS PRO Illuminated LED Headband Magnifier and Lenses. The headband magnifier is an ideal tool for detailed tasks, from inspection work to general hobbies. The multi-coated acrylic lenses, offers a choice of 4 magnification levels and dual LED illumination. This hands-free magnifier is simple and easy to use, with an LED light you can tilt or swivel. Suitable for if you wear glasses. Features and Benefits.