Head-mounted HD Glasses With 4 LED Lights And USB Charging

Product information:
Specification: 81007BC
Magnification: 1.5x, 2x, 2.5x, 3.5x
Effective lens diameter: 92 mm × 31 mm
Lens material: Acrylic lens
Focal length: 280–380 mm
Optical power: 3D
Body material: ABS
With light: Yes
Product type: Head-mounted magnifying glass