HTPC keyboard , 2.4Ghz wireless multimediakeyboard - QX-k208a

Keyboard Dimensions: 360x160x35mm
-Net Weight: 540g
-2.4GHz RF Wireless Technology, Intelligent Frequency Hopping Technology
-Working Range: 10-15meters
-2AA batteries (not included in package), around 3 months endurance
-System Compatibility: Windows95/98/Me/NT/2000/XP/Vista/Win7
-Energy saving management
-Key Switch Life: 10 million times
-Number of Keys: 82 keys and 14 Internet/Multimedia Hey Keys

Touchpad
-800dpi
-3 mouse buttons, 1 scroll wheel

USB Receiver
-Nano Receiver, plug & forget
-Auto ID Pairing
-Dimensions: 18.6x13.2x5.8mm