Kensington K33373USA wireless presenter Black vs Kensington K33374US wireless presenter RF Black

Comparison of K33373USA, K33374US

18 specifications	A Kensington K33373USA wireless presenter Black Model K33373USA View product	B Kensington K33374US wireless presenter RF Black Model K33374US View product
Performanceidentical
Wireless receiver interface	USB	USB
Receiver type	Standard receiver	Standard receiver
Wireless technologyKnown for one	—Unknown — not stated by the source	RF
Frequency band	2.4 GHz	2.4 GHz
Wireless range	19.8 m	19.8 m
Featuresidentical
Product colour	Black	Black
Presenter functionsKnown for one	—Unknown — not stated by the source	Laser pointer, Remote control
Buttons quantity	4	4
Laser pointer colourKnown for one	—Unknown — not stated by the source	Red
On/off switchKnown for one	—Unknown — not stated by the source	Yes
Plug and Play	Yes	Yes
System requirements1 differ
Windows operating systems supportedDiffers	Windows 10, Windows 7, Windows 8, Windows 8.1	Yes
Mac operating systems supported	Mac OS X 10.11 El Capitan	Mac OS X 10.11 El Capitan
Mac compatibilityKnown for one	—Unknown — not stated by the source	Yes
Compatible operating systemsKnown for one	Windows 8; Windows 8.1; Windows 10; Windows 7; Vista	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	20 mm
DepthKnown for one	—Unknown — not stated by the source	45 mm
HeightKnown for one	—Unknown — not stated by the source	100 mm

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.