7 INTERCHANGEABLE LENSES: LED magnifying glasses with 7 interchangeable lenses: 3X, 4X, 5X, 6X, 7X, 10X, 15X adjustable angle magnifier. The lens can be combined to create 21 different magnifications to meet your needs. 2 REPLACEMENT LAMPS: The head-mounted magnifier is powered by 3 AAA batteries (not included), equipped with 2 pairs of replaceable lampshades, which can provide warm and cold light and can change the color temperature anytime, anywhere. COMFORTABLE TO WEAR: The magnifying lamp has an ergonomically lightweight frame with rubber nose pads and built-in anti-slip pads to keep the magnifier stable and not easy to fall off. It fits most head shapes. EASY TO USE: You can wear this head-mounted magnifier 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 magnifier is very suitable for close-up work such as sewing, crafts, beauty, needlework, knitting, cross stitch, embroidery, painting, jewelry making and laboratory work. Lens storage box design makes it easy to keep the lens clean and easy to carry.