Specifications:

• Brand Name: KLASSNUM
• Temples Length: 151 mm (5.9 inch)
• Origin: CN(Origin)
• Nose Bridge Width: 21 mm (0.8 inch)
• Model Number: Blue Light Blocking Glasses
• Material: Polycarbonate lens + TR90 frame
• Lenses Material: Polycarbonate
• Lens Width: 57 mm (2.2 inch)
• Lens Width: 57 mm
• Lens Height: 52 mm (2.0 inch)
• Lens Height: 52 mm
• Gender: Unisex
• Frame Width: 140 mm (5.5 inch)
• Frame Material: Plastic
• Feature 3: Round Frame Glasses
• Feature 2: Anti Blue Light Glasses
• Feature 1: Office Computer Eyewear
• Certification: NONE