tmango head mount magnifier with lights, magnifying headset glasses for close up work, watch, cross-stitch, jewelry, embroidery, arts & crafts or reading aid with headband tmango <b>specification:</b><br><br> product material: acrylic lenses + abs + metal<br> magnifying glass size: 3.74" x 1.65"<br> frames size: 8.74" x 5.7" x 2.55"<br> single-lens lens magnifications: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x<br> field of view: 21.85" (1.0x), 15" (1.5x), 10.94" (2.0x), 7.2" (2.5x), 6.14" (3.5x)<br> battery: 3x aaa <br><br> <b>package contains:</b><br><br> 1x magnifier frame<br> 5x acrylic lenses: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x<br> 1x glasses storage case<br> 3x aaa batteries<br> 1x adjustable head strap<br> 1x cleaning cloth<br> 1x details user manual