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HB Folding Reading Glasses, 400 Degrees, Black Anti-Blue Light, Unisex Portable Comfortable Style, High Definition Wear-Resistant XH Glasses for Elderly
CNÂ¥29.00
SKU: 100053747933
Status:In Stock (1)
ID: 100045751029
Weight: 180.00 g
Dims:230x160x45 mm
Specifications
- Frame material
- common metal
- Lens material
- PC
- Border
- Full frame
Variants / Sale Attributes
Color: Black
degree: 40% alcohol (Recommended for those over 73 years old)
Package Contents
One pair of reading glasses
Product Description
Overview
- Brand
- HB
Blue light protection
Complies with new national standard GB/T38120-2019
Effectively blocks harmful blue light waves in the 385-445nm range emitted by electronic devices
Additional details
- ZKL
- B3XK49, MA
Optical transmittance requirements
- 92.15% for <75%
- 0.17% for ≤80%
- 79.37% for >80%
- All meet national protection standards
Testing report by ZKL Zhongke Lianhong
Blue light protection film meets the technical requirements for optical health and safety applications.
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