Keyboard : Wireless 2.4GHz 110 keys Compatible with Windows 7/8/98/2000/ XP /VISTA /10/11/OSX 10.4 or above Product size: 430x121x21mm Product weight:520gr Wireless transmission power: 0,76mW Mouse: 3 buttons Wireless 2.4GHz 1600 DPI Button life: 5000000 times Product size: 99x61x38mm Product weight:56gr Wireless transmission power: 0,76mW Compatible with Windows 7/8/98/2000/ XP/VISTA /10/11/OSX 10.4 or above