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High Quality Retro TR90 Frame Anti Blue Light Glasses JM31491
Product Features

Spring Hinges:
Enhanced Durability & Resistance to Damage :
Spring hinges are designed to flex outward beyond the normal range, which prevents stress from being concentrated on the hinge screws or the frame material itself.
Spring hinges are designed to flex outward beyond the normal range, which prevents stress from being concentrated on the hinge screws or the frame material itself.
Consistent, Comfortable Fit :
The frame adjusts to your head rather than forcing your head to conform to a rigid frame, pressure is distributed more evenly across the temples and behind the ears.
The frame adjusts to your head rather than forcing your head to conform to a rigid frame, pressure is distributed more evenly across the temples and behind the ears.

Blue-Light Blocking Frames:
Reduces Digital Eye Strain:
Filters high-energy blue light emitted from screens, which helps alleviate symptoms like dry, irritated eyes, and blurred vision after prolonged device use
Improves Sleep Quality:
Minimizes exposure to blue light in the evening, which can disrupt your natural sleep cycle (circadian rhythm) and lead to more restful sleep.
parameter table

|
Place of Origin |
Guangzhou,China |
|
Brand Name |
Custom Brand |
|
Model Number |
JM31491 |
|
Style |
Fashion |
|
Age |
18-60 |
|
MOQ |
5 pcs per color |
|
Size |
48-27-145 mm |
|
Color |
6 Colors |
|
Front Type |
Round |
|
Gender |
Men |
|
Logo |
Customized |
|
Service |
OEM/ODM/Ready Stock |
|
Quality |
High Standard |
|
Delivery time |
7-15 Days |









