Logitech Ultrathin Magnetic Clip-On Keyboard Cover for iPad Air, Space Gray Thin and light keyboard cover for iPad Air: Made of high-grade aluminum and only 6.4mm thick Great typing: Bluetooth keyboard with familiar layout and iOS shortcuts for fast, accurate typing Flexible multi-angle stand: Smooth hinge lets you tilt iPad Air to the perfect viewing angle, just like a laptop screen Note: For power issue - Make sure that you are using an iPad Air (not the Air 2 or iPad mini). The keyboard is only compatible with this device. Make sure that your iPad is powered on. Bluetooth setting is set to on. If your device still does not power on, leave it on a flat surface with the charger plugged in for three to four hours.