mkki 10X 15X 20X 25X Binocular Loupe Magnifying Glasses Magnifier LED Light Jewelry Appraisal Watch Repair LED light: Equipped with 2pcs adjustable LEDs for illumination to help you read in low-light conditions. Multi-Function: Can be used for Mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving. 4 Different magnifications: 10x 15x 20x 25x Lens for you to choose lens barrels of appropriate magnification according to the size of the object to be observed. Handsfree eyeglasses legs and headband are interchangeable to ensure more comfortable and tight wearing