Features:
Optical acrylic lens features clarity, scratch resistance, and is able to offer distortion-free clarity. It doesn't break or shatter as lenses do.
Comes with multiple interchangeable lenses that provide you with different kinds of magnifications, ranking from 1.5x to 4.5x. 
with two brightness settings provides clearest quality on the object, which is convenient for clock and watch , identification, and electronic maintenance.
Fit around your head, and hold magnifying glasses on your eyes to let you see smaller objects in a magnified view, lightweight and comfortable to wear.
Suitable for professionals, technicians, machinists, hobbyists, craftsmen, or even people that are simply working on projects at home that involve small pieces. 

Specifications:
Material: ABS
Color: Black
Magnification Times: 1.5X, 2X, 2.5X, 3.5X, 4X, 4.5X
Focal Distance: 357mm, 274mm, 204mm, 158mm, 136mm, 125mm
: 2 LEDs (2 brightness settings)
: rechargeable (built-in)
Capacity: 300 mAh
Item Size: 17.5*17.2*6cm / 6.88*6.77*2.36in
Item Weight: 102g / 3.59oz
Package Size: 18.5*9.5*7.5cm / 7.28*3.74*2.95in
Package Weight: 278g / 9.8oz

Packing List:
1 * Magnifier
1 * USB Cable
1 * Cleaning Cloth
1 * Pouch
1 * Storage
1 * User Manual(English)