Product Review

Features:
1.The 1X to 2.5X magnifying lenses are ideal for reading and handsfree applications like sewing and knitting, while the 3.5X lens is perfect for soldering, model building, coins, stamps, jewelry appraisal, watch and electronic repair.
2.Switch lenses is very easy. Just unclip to release the current lens from the headset and snap a new one in place.
3.Portable and tough enough to take with you wherever you go.

Specifications
Color: Grey + Blue
Material:Plastic + Glass
Net Weight:138g
Gross Weight:357g
Product Size: 248*200*50mm
Package Size:295*208*50mm

In the Box:
1 X English Manual
1 X Headband Magnifier
4 X glass lens plates:
3.5X Magnification (10-Diopter Lens / 4" Focal Distance)
2.5X Magnification (5-Diopter Lens / 8" Focal Distance)
2.0X Magnification (4-Diopter Lens / 10" Focal Distance)
1.5X Magnification (2-Diopter Lens / 20" Focal Distance)