They don't block blue light. I've run several "blue light blocking tests" on these glasses and they don't work. They have a light yellow tint, which can help reduce headaches and other side effects of blue light, but they don't block blue light themselves.
EyeGuard Blue Light Filter Clip-on Computer Gaming Glasses: Strain Relief, Anti-glare, Radiation Protection Eyewear
11 Review
Anti-Eye Strain Headache Blue Light Blocking Glasses 3-Pack by MEETSUN with UV400 Lens for Better Sleep and Computer Reading
11 Review
Pro Acme Unbreakable Kids Blue Light Glasses π for Clear Vision during Computer Gaming and TV Screen Time
11 Review
MIGSIR 3 Pack Blue Light Blocking Glasses for Computer Gaming Eye Strain, Round Fashion Faux Eyeglasses Frames for Women Men with Enhanced SEO
13 Review
π» Get Amazing Video Quality with Logitech HD Pro Webcam C920 (Discontinued Edition)
83 Review
Apple AirPods Pro MagSafe RU Wireless Headphones, White
159 Review
Smartphone Samsung Galaxy A50 4/64 GB, 2 SIM, black
82 Review
Enhance Your Visual Experience with Logitech C260 Webcam
78 Review