CK0195B Features Three-in-one multifunction wireless keyboard QWERTY full-function mini keyboard Buckle type mini-receiver FN function switch， Ctrl + Alt + Del (shared with the Enter key)， horizontal or vertical switch of the touchpad， FN + ALT Touchpad and left-key works together to perform mouse’s drag functions (press left button and selected target and drag on touchpad) General Specs Model UKB-106 Type 2.4G mini keyboard Technology 2.4G radio technology Color Black Function Keyboard， touchpad， laser pen Backlight Built-in backlight Multimedia Control Keys Yes Battery Built-in rechargeable lithium battery Charging Time 3.5 - 4 hours Standby Hour 500 - 700 hours Systems Supported Windows 2000/ XP/ Vista/ 7， Mac OS 10.x or lower， Linux (Debian 3.1/ Redhat 9.0/ Ubuntu 8.10/ Fedora 7.0 Package Details Weight: 252.52 g Size: 18.5*9.2*4.2 cm Package Includes * 2.4G Mini Wireless Keyboard