ZAGG Rugged Book Case, Durable, Hinged with Detachable Backlit Keyboard for iPad mini / mini Retina - Black Ultimate Durability: A multi-layered, removable case deflects impact energy to keep your iPad safe no matter where it goes. Keyboard Mode offers backlit keys and the largest typing area for fast, accurate typing. Video Mode holds your iPad securely at virtually any viewing angle. Case Mode protects your iPad and allows you to quickly separate it from the keyboard. Book Mode helps protect your iPad while making reading easy. Two-Year Battery: A powerful lithium polymer battery powers the Rugged keyboard for up to two years between charges. Bright and Easy: Backlit keys in customizable colors add style to your keyboard and makes typing in low-light situations a breeze.