Trust Wireless Optical Deskset DS-3400D ES vs Trust Wireless Optical Multimedia Deskset DS-3250 ES

Comparison of Wireless Optical Deskset DS-3400D ES, Wireless Optical Multimedia Deskset DS-3250 ES

13 specifications	A Trust Wireless Optical Deskset DS-3400D ESView product	B Trust Wireless Optical Multimedia Deskset DS-3250 ESView product
Keyboardidentical
Connectivity technology	Wireless	Wireless
Device interface	RF Wireless	RF Wireless
Keyboard layout	QWERTY	QWERTY
Frequency band	2.4 GHz	2.4 GHz
Designidentical
Product colour	Black	Black
Featuresidentical
Wireless rangeKnown for one	8 m	—Unknown — not stated by the source
Mouseidentical
Mouse included	Yes	Yes
Movement detection technology	Optical	Optical
ScrollKnown for one	—Unknown — not stated by the source	Yes
System requirementsidentical
Mac operating systems supported	No	No
Other features2 differ
Compatible operating systemsDiffers	Windows Vista, XP	Windows Vista, XP MCE, XP, 2000
Internal	No	No
Keyboard function keysDiffers	12	19

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.