Trust Wireless Media Center Keyboard KB-2900 DE vs Trust Wireless Optical Multimedia Deskset DS-3250 DE

Comparison of Wireless Media Center Keyboard KB-2900 DE, Wireless Optical Multimedia Deskset DS-3250 DE

14 specifications	A Trust Wireless Media Center Keyboard KB-2900 DEView product	B Trust Wireless Optical Multimedia Deskset DS-3250 DEView product
Keyboardidentical
Connectivity technology	Wireless	Wireless
Device interface	RF Wireless	RF Wireless
Keyboard layoutKnown for one	QWERTY	—Unknown — not stated by the source
Pointing deviceKnown for one	Trackball	—Unknown — not stated by the source
Frequency bandKnown for one	2.4 GHz	—Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Poweridentical
Battery type	AA	AA
Number of batteries supported	4	4
Mouse1 differ
Mouse includedDiffers	No	Yes
Movement detection technologyKnown for one	—Unknown — not stated by the source	Optical
ScrollKnown for one	—Unknown — not stated by the source	Yes
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	156 x 357 x 27 mm	—Unknown — not stated by the source
Other featuresidentical
Keyboard function keysKnown for one	16	—Unknown — not stated by the source
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows Vista, XP MCE, XP & 2000

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.