HP 2.4GHz Wireless and Mouse keyboard Mouse included RF Wireless

Specs
Keyboard
Connectivity technology Wireless
Device interface RF Wireless
Frequency band 2.4 GHz
Country of origin China
Power
Battery technology Alkaline
Battery type AA Alkaline batteries
Number of batteries supported 4
Mouse
Mouse included
Movement detection technology Optical
Scroll

System requirements
Minimum system requirements Windows Vista or Windows XP; Available USB port for the receiver; CD-ROM Drive
Weight & dimensions
Keyboard dimensions (WxDxH) 1,47 x 18,06 x 6,43 mm
Packaging data
Bundled software Shows Numlock, Cap Lock, and Scroll Lock status of the keyboard; Shows Battery status of the Mouse and Keyboard
Other features
Compatible operating systems Genuine Windows Vista Business; Genuine Windows Vista Enterprise; Genuine Windows Vista Home Basic; Genuine Windows Vista Home Premium; Genuine Windows XP
Weight (imperial) See QuickSpecs for individual component weights
I/O ports Available USB port for the receiver