Qmadix Portfolio Case W/ Removable Bluetooth Keyboard For Apple Ipad Removable Keyboard featuring Bluetooth 2.0 HID ("Human Interface Device") Profile seamlessly connects with your iPad Notebook style Keyboard made from polycarbonate composite for better tactile key response Built-in adjustable stand allows for comfortable and convenient viewing Easy access to buttons, controls, and ports Rechargeable Lithium-Ion Polymer Battery