description:...the keyboard has 12 quick access hotkeys that provide total media center control, Internet broswing and a Vista default Lock function to protect your PC.The mouse features laser technology to provide more surface coverage and enhances the smoothness of the cursor movement. It also features power saving technology to provide extended battery life for up to 8 monthsfeatures:- 27Mhz laser desktop combination; Vista supported- 12 frequently-used hotkeys for media center control, Internet features- BLOG hotkey to assist to express your emotion- latest Windows Messenger live feature- new added ‘Lock’ function for Vista OS to secure your PC- high resolution laser mouse provides excellent tracking precision- mouse with power saving technology extends battery life up to 8 months- port: USBsystem requirements:- PC with Pentium® processor or compatible- supports Windows 2000/XP/XP x64/Vista- CD-ROM/DVD-ROM drive- available USB portpackage content:- wireless keyboard SlimStar 600- wireless laser mouse Traveler 600 Laser- USB dongle receiver- CD driver for windows 2000/XP/XPx64 & Vista- user’s manual- quick installation guide- 4x AA alkaline batteriesspecifications:- interface: USB- radio frequency: 27MHz, up to 2m working distance- supports Widows 2000/XP/XPx64 & Vista- batteries: 4x AA alkaline batterieskeyboard specification- keycap structure: slim- number of hot keys: 12 icluding Vista Lock functionmouse:- laser sensor with 1600dpi- three button + scrolling wheel- suitable for left- and right- handed use- power saving sensor up to 8 months- dimension: 470x165x30 mm- gift box size: 485x240x47 mm- body Weight: 885g