Shining Wings Screen Guard for Magnetic Anti Blue Light Filter For Macbook 13" Laptop  (Pack of 1)

Magnetic Anti-Glare Transparent Air Pro 13"" Anti Blue Ligth Filter Product Features: 1. Fit to your Display. 2. Light weight, thin, frameless design. 3. The filter application system features an optically adhesive designed for display screens. 4. Testing proves that, when kept clean, the filter can be reposition hundreds of times 5. Matte finish helps reduce glare and reflections 6. Helps protect display from dirt, debris and scratches 7. Cleans easily with a soft cloth and water Product Name: Magnetic Anti Blue Light Filter Size: 307*201mm Colour: Transparent Material: High Quality PET Screen Size:13Inch (Measured Diagonally) Hardness:3H Package includes: 1X Anti Blue Light Filter with Cleaning Cloth Kit Magnetic attraction Easily remove and reconnect when needed.Please note that after connecting the blue light filter, the laptop cannot be completely shut down!!!but it still supports sleep mode. Blue ray blocking What is Blue Light? Wavelengths of blue light are between 380nm to 495nm in the range of visible lights with strong energy. It's widely discovered in led light sourced products such as pc, cell phone, game machines and TV etc. The filter lens are designed using the Japan HEV-Adsorb substrate absorption technology. It can absorb high-energy blue light. Note: The measurement allowed error is +/- 1-3cm.