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Firmoo S939 Blue-Light Blocking Round Glasses1 / 7
Product guide

Firmoo S939 Blue-Light Blocking Round Glasses

Blue-Light Blocking: Firmoo S939 glasses are oversized retro-round computer eyewear with lenses the listing claims block 99% of blue light from screens. The stated TR90 temples and integrated nose pads may appeal to buyers seeking lightweight everyday screen glasses, but the listing does not specify prescription or lens dimensions.

At a glance

  • The listing claims the lenses block 99% of blue light from screens, with minimal colour distortion and true colours.
  • Lightweight, flexible TR90 temples are described as adapting to most faces.
  • Integrated nose pads avoid the crevices associated with separate pads, according to the listing.
  • The listing describes multi-barrel metal hinges and a 5,000-cycle hinge test.
Price
$31.99Save 20%

Reference price: $39.99

Price checked: Nov 13, 2026

View offer

Pros and cons

Pros

  • The flexible TR90 temples and integrated nose pads are practical design features for buyers considering longer wear.
  • The claimed blue-light filtering is paired with a stated goal of preserving natural-looking colours.

Technical specifications

11 specifications
Identity
BrandFirmoo
ModelS939
Frame styleOversized Retro Round Frame
Intended wearerWomen/Men
Lenses
Blue-light blocking claim99% of blue light from screens
Colour appearance claimminimal color distortion and true colors
Other lens claimsAnti Glare UV Protection
Frame and construction
Temple materialTR90
Nose padsIntegrated nose pads
Hinge constructionmulti-barrel metal
Hinge test claim5,000-cycle hinge test

What to know before buying

  • The 99% blue-light blocking, colour appearance, fit, durability and hinge-test details are manufacturer claims, not independently verified performance. Prescription availability and lens dimensions are not stated.

Who is it for?

A good fit for

  • Shoppers looking for oversized round computer glasses for screen use.
  • Buyers interested in flexible TR90 temples and integrated nose pads.

Less suited to

  • Anyone who needs confirmed prescription lenses, specific lens measurements or independently verified filtering performance.
Firmoo S939 Blue-Light Blocking Round Glasses · photo 2
Additional product photo 2

Frequently asked questions

How much blue light do the lenses block?

The listing claims 99% of blue light from screens. This is a manufacturer claim rather than an independently verified measurement.

What material are the temples?

The listing identifies the temples as lightweight, flexible TR90.

Are these prescription glasses?

The supplied listing details do not confirm prescription availability.

What is the frame style?

The title describes an oversized retro round frame.

Firmoo S939 Blue-Light Blocking Round Glasses · photo 3
Additional product photo 3

Alternative options

Product details in Markdown