Item Name: Glasses Reading Glasses Magnifier Illuminated Magnifier USB Rechargeable. Lens quantity: 3 groupsBattery: 1 * lithium battery, 300mAh (included)Color: BlackMagnification: 1.5X, 2.0X, 2.5X, 3.5X, 4.0X, 4.5XFocal length: 357mm, 274mm, 204mm, 158mm, 136mm, 125mmLighting source: 2pcs white LED lights, 2 levels of brightness can be adjustedPower supply: 50Hz, 5V, 0.14W, micro-USBMaterial: ABS+acrylic+metalFeatures:Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life.There are 6 magnifications (1.5/2.0/2.5/3.5/4.0/4.5X) to choose from, just combine the three groups of lenses.With 2 white LED lights, 2 levels of brightness can be adjusted, and the light angle can be adjusted.Three groups of acrylic lenses can be used alone or combined at will.Magnifying Reading glasses, LED light, head-mounted combination, hands-free, long-term use will not be tired.Wide range of applications, suitable for reading books, reading newspapers, repairing PCB boards, etc., is a perfect helper. Lens size: 115 * 40mm / 4.5 * 1.6inItem size:Folded size: 172 * 65 * 60mm / 6.8 * 2.6 * 2.4inOpen size: 175 * 172 * 60mm / 6.9 * 6.8 * 2.4inItem weight: 102g / 3.6ouncePackage size: 185 * 95 * 75mm / 7.3 * 3.7 * 3.0inPackage weight: 278g / 9.8ounce Packing List:1 * Magnifier3 * Groups of Lens1 * Lens Storage Box1 * Cloth Bag1 * Cloth1 * USB Cable1 * User Manual *Please make