Description : Specially designed for Apple & nbsp ; 12 . 9inch & nbsp ; 360 degrees rotation , making it simple to transition between landscape and portrait options , the 360 - degree feature allows for more viewing versatility while & nbsp ; keeping your device in the case . Unique design allows easy access to all buttons , controls & amp ; ports without having to remove the case . Protect your iPad from knocks , dust , damage , scratches , etc . Smart cover automatically wakes up your 12 . 9 & nbsp ; on open and sleeps on close , Elastic band holds iPad & nbsp ; pro 12 . 9 & nbsp ; Gen closed securely . Made of high quality Polyurethane ( PU ) leather with soft micro fiber interior lining . Specification : Bluetooth Version : Bluetooth V3 . 0 Frequency : 2 . 4GHz Working Current : 10mA Standby Current : 0 . 5 - 0 . 6mA Low Voltage Electrical Testing : 3 . 3V Shutdown Voltage : 3 . 1V Power By 2pcs AAA battery ( Not included ) Working range : 10M Keyboard Size : 11 . 42 * 5 . 12 * 0 . 78 inch Keyboard Compartiable with : All ipads , Apple Mac OS , iPhone 4 , 4S , 3G or 3GS , Windows OS ( Windows XP , Windows Vista , Windows 7 ) Keyboard Material : Plastic Keyboard Color : White Case Color : Green Case Material : PU Leather & nbsp ; Package Includes : 1 x Wireless Bluetooth Keyboard 1 x 360 & deg ; Rotating PU Leather Magnetic Smart Case Cover ( only for 12 . 9inch ) 1 x Touch Pen 1 x Screen protector