7 INTERCHANGEABLE LENSES: LED magnifying glass with 7 interchangeable lenses, 3X, 4X, 5X, 6X, 7X, 10X, 15X adjustable angle magnifying glass, and the lens can be combined into 21 different magnifications to meet your demand. 2 REPLACEMENT LED LIGHTS: The head-mounted magnifying glass is powered by 3 AAA batteries (not included in the package), equipped with 2 pairs of interchangeable lampshades, which can provide warm and cold light, and can change the temperature of color anytime, anywhere. COMFORTABLE TO WEAR: The magnifying lamp has an ergonomically lightweight frame with rubber nose pads and built-in non-slip pads to keep the magnifying glass stable and not easy to fall off. It can fit most head shapes EASY TO USE: You can wear this head mounted magnifying glass on your head just like glasses. It is more convenient to use than traditional handheld magnifiers, it can free your hands and help you see things more clearly. An extra cleaning cloth is included to remove dust and dirt. WIDELY USED: The head-mounted magnifying glass is very suitable for close-up work such as sewing, crafts, beauty, needlework, knitting, cross-stitch, embroidery, painting, jewelry making, and laboratory work. Design with lens storage box makes it easy to keep the lens clean and easy to carry.