1 / 7Firmoo KBT7277 Oversized Square Blue-Light Glasses
Firmoo KBT7277 oversized square glasses are listed as blue-light-blocking computer eyewear for adults. The listing claims they block 90% of blue light from digital devices and says the lenses can be replaced with prescription lenses, though the supplied details do not specify frame dimensions or lens prescription options.
At a glance
- Oversized square computer glasses listed for women and men.
- Firmoo claims the lenses block 90% of harmful blue light emitted by digital devices.
- The listing says the lenses can be replaced with prescription lenses by a local glasses or spectacles shop.
Pros and cons
Pros
- Prescription lens replacement is described as an option, which may let buyers adapt the frames through a local optical shop.
- The product is presented as unisex adult eyewear in an oversized square style.
Technical specifications
4 specifications| Brand | Firmoo |
|---|---|
| Model | KBT7277 |
| Department | Unisex Adult |
| Parcel dimensions | 15.5 x 6.3 x 3.7 cm; 100 g |
|---|
What to know before buying
Listing details to confirm
The 90% blue-light-blocking figure is a Firmoo claim, not an independently verified measurement. The listing does not specify lens material, frame dimensions, or prescription options. The A+ description claims a plastic case, cleaning cloth, and ear clips, but no explicit box inventory was supplied, so the package contents are unclear.
Who is it for?
A good fit for
- Adults seeking oversized square eyewear for computer use.
- Buyers interested in blue-light-filtering lenses who may want to ask a local optical shop about prescription replacement.
Less suited to
- Buyers who need confirmed lens blocking test results, exact frame measurements, or a guaranteed package contents list before ordering.

Frequently asked questions
How much blue light do these glasses block?
Firmoo claims they block 90% of harmful blue light emitted by digital devices. This figure is a manufacturer claim and is not independently verified in the supplied details.
Can the lenses be replaced with prescription lenses?
The listing says Firmoo lenses can be replaced with prescription lenses and suggests having them fitted at a local glasses or spectacles shop.
What comes with the glasses?
The A+ description claims a plastic case, a cleaning cloth, and ear clips. No explicit package inventory was supplied, so confirm the contents for the selected listing.

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