4K HD Wallpaper: Anonymous Mask
The famous anonymous mask in this image that can be downloaded free under CC0 license from courtesy of Gaffey (晨曦 张). The photography is optimized here for use in desktop backgrounds, homescreen phones, blog articles, apps, social media, webdesign projects...
Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x2048 (compatible with many tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many phones)