Perfectly optimized magnifying glass: Our head magnifier is designed to improve customer needs, improve the USB charging design and make it more comfortable to use. 4 extended and ultra-high magnification lenses Interchangeable lens design with 1.5X, 2.5X, 3.5X, 5X magnification. 5H grade anti-scratch and weight-reducing lenses are more wear-resistant and durable. Perfect for all kinds of work and daily life. Ergonomic glasses frame design - glasses design headband magnifier - suitable glasses frame, more secure fit, effectively prevent falling. p> ADJUSTABLE LED LIGHTING - The hands-free reading magnifier comes with 2 ultra-bright, energy-efficient LED lights. The lighting angle can be adjusted to accurately illuminate the surface of the object. Multi-purpose magnifying glass: This lightweight magnifying glass is ideal for jewelry, electricians, watch repair, arts and crafts, cosmetology, painting or general reading aids, and close-up work for older adults. 4 focal lengths: 330mm, 200mm, 142mm, 100mm. Size: 185*175*30mm Note: The data are all measured manually, please allow error of 1-3cm Due to differences in light and display, there may be color differences, please refer to the actual item received.