izone Head-mounted Headband Reading Magnifier Head Wearing Magnifying Glass Loupe 4 Magnifications Glasses 1.5X, 2X, 2.5X, 3.5X Magnifier (Grey) 1.5X, 2X, 2.5X, 3.5X magnifier  (Grey)

Features: 1. High quality optical glass lens plates, interchangeable with different multiply times 2. You can get clear solid view in wide sight through the double lens' two square glass. 3. Sturdy and compact buckle head wearing tape, it can be easily to adjust per user's head size. 4. Very Coinvent to use: it's no need for the user to take off his glasses and his hands will be free moving. 5. Increase the sight for precision inspection user under magnifier Specification: Dimension: 250*155*45mm Material: Optical K9 glass, ABS plastic Weight: 220g Magnification: 1.5X,2.0X,2.5X,3.5X Lens size: 78*28mm Package includes: 1 x Headband Magnifying Glass MG81007-B 4 x Lense Plates:1.5x,2x,2.5x,3.5x 4 x Plastic Screws