in 4K Ultra HD, All Wallpapers, Hot Air Balloons, Retina DisplayHot Air-balloon-7-22-2015 9 years ago by Timothy Borkowski Apple iPod 640×960 Apple Retina iPhone & iPod Touch 640×1136 iPad 2048×2048 MacBook Pro 2880×1800 Google Android Tablet 1280×800 Phone 720×1280 Kindle Fire 600×1024 Social Media Facebook Cover Photo 851×315 Computer (Windows, Mac, Linux) Netbook 1366×768 16:10 2560×1600 4:3 1600×1200 5:4 1280×1024 TV & Computer Ultra HD 4K (3840×2160) Full HD 1080p HD 720p