Cross CompatibilitySupport IOS, Android and Windows system, this wireless keyboard workable for most of tablets and smart phones like iPad 10.2, iPad Pro 11, 2018 iPad Pro 12.9, New iPad 9.7(5th and 6th Gen), iPad Pro 10.5, iPad 2/3/4, iPad Air, Samsung Galaxy Tab A, Tab E, Tab S, GALAXY Note, Nexus 10, LG, Nexus, Huawei, ZTE etc. Backlight Keyboard3 levels of brightness 7 color backlit provides different visual enjoyment and makes it easy to type in the dark place. The gentle light doesnt harm your eyes. Perfect for working or gaming in the dark. Comfortable TypingReal "hard" laptop style keyboard with high end ABS material. Not cheap silicone keyboard as other cases in market. A spring mechanism underneath each key ensures a tactile response with every stroke, helping you to type faster and with less error than on a touch screen. Rechargeable Laptop KeyboardBuilt-in rechargeable lithium battery provides for 140 hours of uninterrupted usage, while auto-sleep feature saves power and ensures you get the most out of every charge. Portable Wireless Keyboard Slim Size in 9.7x5.9inch (247*150*6mm). Its less design makes for easy portability. Lighter than a standard magazine, durable enough to travel, school, and business. The keyboard is small enough to put it into your suitcase/handbag.