[Upgraded Version] SHARKK Ultrathin iPad Bluetooth Wireless Backlit Keyboard Aluminum Cover Case with Stand for iPad 4 / 3 / 2 Keys Have 7 Backlight Color Options Keyboard features backlight which can be set to 7 different colors and 2 brightness levels Keyboard is made out of high quality aluminum. Keyboard has sleep/wake. Built in lithium battery lets you enjoy up to 55 hours of uninterrupted work time. Charging time is only 4-5 hours. USB cable included for charging. Works with all versions of iPad2, iPad3 and iPad 4.