1 / 5Firmoo JHF5252 Blue Light Blocking Square Metal Glasses
Firmoo JHF5252 blue light blocking glasses have a square metal frame and are listed for women and men, computer use and gaming. The listing claims they block 90% of harmful blue light from digital devices, but that figure is a manufacturer claim, not an independently verified measurement.
At a glance
- The listing describes a square metal frame for women and men, aimed at computer and gaming use.
- Firmoo claims the glasses block 90% of harmful blue light emitted by digital devices. This performance figure is not independently verified here.
- The manufacturer says the lenses can be replaced with prescription lenses at a local glasses shop.
Pros and cons
Pros
- Prescription lens replacement is described as possible, offering a route to adapt the frames for prescription use.
- The stated 90% blocking claim gives buyers a specific performance figure to assess, although it is a manufacturer claim rather than verified test evidence.
Technical specifications
6 specifications| Brand | Firmoo |
|---|---|
| Model | JHF5252 |
| Department | Unisex Adult |
| Frame style and material | Square Metal Frame |
|---|---|
| Claimed blue light blocking | 90% of the harmful blue light emitted by digital devices |
| Parcel dimensions and weight | 15.5 x 6.3 x 3.7 cm; 100 g |
|---|
What to know before buying
- The 90% blue-light blocking figure is a manufacturer claim, not an independently verified result. The listing gives no lens dimensions or frame measurements, so fit cannot be judged from the supplied details alone.
Who is it for?
A good fit for
- Shoppers seeking square metal-frame glasses marketed for screen or gaming use.
- Buyers who want frames that the manufacturer says can be fitted with prescription lenses by a local glasses shop.
Less suited to
- Buyers who need independently verified blue-light blocking performance or precise frame measurements before purchase.
Customer reviews on Amazon
- 5 stars
50% 50% - 4 stars
0% 0% - 3 stars
50% 50% - 2 stars
0% 0% - 1 star
0% 0%
Aggregate ratings are mixed, with both five-star and three-star ratings represented. The sample is very small and includes no written feedback, so it cannot establish specific strengths or concerns about fit, comfort or the claimed blue-light blocking performance.
Frequently asked questions
How much blue light do the Firmoo JHF5252 glasses claim to block?
The manufacturer says they block 90% of harmful blue light emitted by digital devices. This figure is a listing claim, not an independently verified measurement.
Can these glasses be fitted with prescription lenses?
The manufacturer says the lenses can be replaced with prescription lenses at a local glasses shop. Confirm that the shop can fit the desired lenses to this frame.
What frame style is listed?
The listing describes a square metal frame and identifies the glasses as unisex adult.
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