Interchangeable lens design:switch between 5 optical lenses using a simple click and release system. magnification power of the head magnifier: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x. scratch -resistant acrylic reduces weight.
Comfortable and easy to use:comfortable eyeglass frame with rubber nose -pads.alternate between wearing it as glasses or headband. the included head strap can be attached with ease to ensure a more secure fit.
Adjustable brightness levels:there are two brightness levels which provide excellent light for illuminating detailed surfaces.two levels of brightness is available by pressing the switch on the top of the headset magnifier.
This magnifying glass with light is equipped with a rechargeable built-in lithium battery and comes with a usb charging cable. simply plug the cord into the magnifier and the other end into the slot of a usb power source and it automatically charges.
Wide application:see your work pieces or text magnified up to 350% original size with high clarity.  magnifying glasses for close work like sewing, crafts, beauty,needle work, knitting, cross stitch, embroidery, painting and coins.