... 4.One year warranty secure 2.4G Wireless usb keyboard with built in mouse : 2012 New Popular Product wireless gyroscope keyboard Description ... the-art keyboard mouse that's effortless to use in the air. 9,With 78 keys, includes multimedia shortcut keys. 10, ... with: Android PC OS, Mac OS, Linux, Windows systemColor: Black/WhiteItem size: 20*6.5*3cmItem weight: 123g usb keyboard with built in ...