4K Wallpaper – 600+ HD & 4K Backgrounds, Auto-Changer, Zero Ads 「MAIN FEATURES」 ● 100 % ad-free experience ● 600+ ultra-HD 4K & QHD backgrounds (landscapes, anime, minimal) ● One-click “Set as wallpaper” or drag-drop local photos ● Auto wallpaper changer with custom timer (1 min – 1 year) ● Smart library: auto-saves every applied background ● Starts with macOS—always fresh desktop visuals 「CONTACT US」 If you have any suggestion or feedback, please contact us, EMAIL: [email protected]