Feature:1. The lens and the LED light source bracket can be moved left and right, so that the eyes can be used interchangeably, which can effectively relieve the visual fatigue caused by long-term work, and can also be moved to the middle for reading and work that requires both eyes.2. With a slot for inserting two lenses, the lenses of different magnifications for a single eye can be converted into six different magnifications, and the lenses of five different magnifications for both eyes can be converted into 11 different magnifications.3. The rearconnected independent warehouse design makes the lamp head lighter, and it can also carry largecapacity 3 AAA batteries, which makes the light brighter and lasts longer.4. Adding a nose bridge support in the middle under the outer frame of the movable groove can effectively relieve the pressure on the forehead, and can prevent the LED lamp holder and the movable groove frame from sliding off the forehead, making it more comfortable to use.5. The forehead lining is made of environmentally friendly mesh sponge material, which helps to breathe and wick away perspiration, is comfortable to wear, and can extend working hours.Specification:Condition:100% Brand New Item Type: Headband MagnifierFive Groups of Replacement Lenses for Both Eyes: 1x 1.5x 2x 2.5x 3.5xThree Groups of Replacement Lenses for One Eye: 5x 8x 20xLighting Source: 2 x white LED lightsBattery: 3 x AAA battery (not included)Size: As shows in pictureScope of Application: It can be used for beauty, eyelash extension, tattoo, reading, newspaper reading, painting, handicrafts, textiles, flowers, bonsai viewing, watch repair, jewelry identification, antique appreciation, etc.The three lens multiples of a single eye can produce six different multiples:5x 8x 13x 20x 25x 28xFive different multiples of double spectacle lenses can be combined with each other to produce 11 different multiples:MagnificationCorresponding focal length 1.0x 250-350mm 1.5x 200-300mm 2.0x 175-275mm 2.5x 150-250mm 3.0x 135-235mm 3.5x 80-120mm 4.0x 60-110mm 4.5x 50-100mm 5.0x 45-90mm 5.5x 40-80mm 6.5x 35-75mm.Package List:1 x Magnifying Glass Frame5 x Replacement Lenses for Both Eyes (1 x 1X, 1 x 1.5X, 1 x 2X, 1 x 2.5X, 1 x 3.5X)3 x Single Eye Replacement Lens (1 x 5X, 1 x 8X, 1 x 20X)1 x Lens Cleaning Cloth1 x Manual