Search query: magnifying glass headset electrical

Product: AZFUNN 1X to 6X Headband Magnifier, Head Mount Magnifying Glass with LED Light for Jewelers Loupe Eyelash Extensions Watch Repair Close Work Specification:
Product Material: acrylic lenses + plastic + metal
5 Kinds of magnifications: 1.0X, 1.5X, 2.0X, 2.5X, 3.5X
Battery: 3 * AAA (Not included)
Interchangeable 2×Lens slots Design: 5 interchangeable lenses with 1.0X, 1.5X, 2.0X, 2.5X, 3.5X magnification, Multi lenses(1x to 6x) to meet your different tasks. It's for professional jewelry loupe, watch repair, electricians, Sewing, Crafts, Hobbies, Repair or as general reading aid.
High Quality Lenses: Made of shatterproof crystal clear magnifying acrylic lens designed, high definition, light weight. Ideal for people with low vision, hobbyists and professionals.
Adjustable Hands Free Headband: Headband magnifying glasses has a rotary button design that can be used to adjust the size of the headband and is suitable for anyone. By rotating the button, you can adjust to the size that best suits your head shape, avoiding too big or too small.
Detachable LED Head Lamp: LED head light with 2 led has the function of disassembling and adjusting the direction of illumination. When using, it can adjust the illumination direction of led for more precise illuminating angle. The lighting unit can be taken down as an independent handheld flashlight for daily or outdoor exploring.Powered by 3 AAA batteries(Not Included).
Perfect for elderly, jewelry work, repairing, electricians, soldering, watch repair, painting, dentists, arts & crafts, sewing or as general reading aid. Ideal for people with low vision, hobbyists and professionals. AZFUNN White

Product: Donegan DA-5 OptiVisor Headband Magnifier, 2.5x Magnification, 8" Focal Length Binocular headband magnifier provides hands-free magnification and viewing for a variety of applications such as jewelry-making, watch-making, needlework, artwork, electronic inspection, book-reading, print inspection, and stamp-collecting
Available in multiple dioptric strengths (indicated by the model number) that provide a specific magnification power (X), depending on the distance from the object
A dioptric number and a magnification number are not the same thing. Diopter strength represents a specific magnification power (X). For example, a 5-diopter provides 2.5X magnification (at a distance of 8”)
Optical glass lenses are ground and polished into prismatic lenses for quality and clarity
Can be worn over prescription or safety eyeglasses Donegan Optical Black