Contixo Bluetooth Keyboard with Dock Cradle for Contixo 7 Inch Tablet A78, Compatible with All Tablets, Smartphone and Other Bluetooth Mobile Devices (Blue) Cross-Compatible: Works with iOS, Android, Mac and Windows, with shortcut keys for all four systems.4 colors available. Built-in tablet / smartphone slot / cradle, providing best angle for easy and comfortable typing. Lightweight & Compact: 50% smaller than traditional clunky keyboards and as light as a billiard ball (6.2oz). Comfortable Keys: Type quietly and effortlessly on comfortable, low-profile keys. Un-beatable Warranty: 30 days money back guarantee. Friendly 24/7 US based customer service/technical support! Feel free to contact us whenever a question pops up in your head, we are always here to help.