Yuzihan Portable Roll up Super Mini Wireless Bluetooth Keyboard Silicone Keyboard Flexible Waterproof Keyboard for All iPad iOS, Windows Android Tablets Smart Phones Laptop Pink Super Mini portable waterproof wireless bluetooth keyboard ,Much Smaller Than Standard size keyboard.Main Keys Are Much Smaller Than Adult Fingers and Compact.Length:7.8 inch;Width:2.7 inch;Height:0.15 inch.(Battery Height:0.45 inch), Support Multi Systems:Apple IOS / Android / Windows,Can be used for All iPads and iPhones ,Windows ,Android tablets and smart phones Light weight 95g Roll up Flexible Mini Portable bluetooth keyboard convenient to take,can be put in your pants pocket after roll up. Key in words silently,can be used for library work class indoor environment