sunjoyco 1x to 14x headband magnifier with led light, handsfree head mount magnifying glass visor headset loupe tools for professional jewelry close work sewing crafts reading repair with 5 lenses sunjoyco warm tips: if you have any quality problems after receiving the goods, please feel free to contact us, and we will do our best to solve them for you. features: 1. multi magnifications 6 lens magnification: 1x,1.5x, 2x, 2.5x, 3.5x and 8x (small lens). they can combine to get 23 kinds of magnification. designed with two lens slots and one fixed front round lens(8x). you can put one or two lenses at a time on the slots. all lenses can fold. 2. three led lights three led lights can ensure a large uniform lighting area. the lighting angle can be freely regulated. the brightness of led lights can switch between strong light and soft light to meet different lighting requirements, thus protecting eyesight. the led light can remove if you do not need it how to use the headband magnifier? 1. dismantling and installation of lance hold the lens sides with your finger to pull out lens outwardschoose the required lens and aim the connector right above the lens, and then insert it 2. regulating of headband pull out the switch at the back of the headband, turn it counterclockwise to increase the length of the helmet, place on your head to adjust size, press the switch to fix. adjust the height of the magnifier to meet your request view angle through two knobs on both sides, tighten the knobs 3. battery charging charging required when the led brightness loss obviously, please take out the battery compartment by pulling itoutwardsuse the uab cable to connect with usb charger, computer or power bank, the red charging indicator will lit up when you connect successfully takes about four hours to fully charged when the battery runs out. the light will turn green when battery fully charged package includes: 1 x manual1 x headband magnifier1 x usb cable5x glass lens (include in storage box):1.0x, 1.5x, 2.0x, 2.5x, 3.5x