**Product Specifications:**
Brand: GOGOSOON
Technology: German Technology
Features: Blue light protection, intelligent color-changing
Usage: 1 pair for 3 pairs functionality, equivalent to multifunctional reading glasses
Lens: Photochromic lenses for near and far vision, UV-responsive color-changing
Technology: Gradual multifocal photochromic lenses, 5-second rapid color-changing
Design: Break-resistant, minimalistic design with high elasticity TR90 temple arms for comfortable wear
Fit: Adjustable width for large and small faces, non-slip design
Nose Pad: Soft and breathable material for comfort and reduced pressure on the bridge of the nose
Color: Black
Model: X1642
Outdoor Effect: Color-changing in outdoor environments