Lenovo Ultraslim Wireless Keyboard and Mouse AR vs Lenovo Ultraslim Wireless Keyboard and Mouse AR/FR

Comparison of Ultraslim Wireless Keyboard and Mouse AR, Ultraslim Wireless Keyboard and Mouse AR/FR

28 specifications	A Lenovo Ultraslim Wireless Keyboard and Mouse ARView product	B Lenovo Ultraslim Wireless Keyboard and Mouse AR/FRView product
Keyboardidentical
Connectivity technology	Wireless	Wireless
Device interface	RF Wireless	RF Wireless
Keyboard languageKnown for one	—Unknown — not stated by the source	French
Keyboard form factor	Full-size (100%)	Full-size (100%)
Purpose	HTPC	HTPC
Frequency band	2.4 GHz	2.4 GHz
Designidentical
Adjustable keyboard height	Yes	Yes
Product colour	Black	Black
Protection features	Spill resistant	Spill resistant
Featuresidentical
Plug and Play	Yes	Yes
Poweridentical
Power source type	Battery	Battery
Power consumption	100 mA	100 mA
Battery type	AA / AAA	AA / AAA
Number of batteries supported	2	2
Mouseidentical
Mouse included	Yes	Yes
Movement detection technology	Optical	Optical
Movement resolution	1000 DPI	1000 DPI
System requirementsidentical
USB required	Yes	Yes
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)	459 x 185 x 23 mm	459 x 185 x 23 mm
Keyboard weight	645 g	645 g
Mouse dimensions (WxDxH)	53 x 97 x 35 mm	53 x 97 x 35 mm
Mouse weight	57 g	57 g
Packaging contentidentical
Receiver included	Yes	Yes
Wireless receiver interface	USB Type-A	USB Type-A
Receiver type	Nano receiver	Nano receiver
User guide	Yes	Yes
Other featuresidentical
Compatible operating systems	Windows XP, Vista, 7	Windows XP, Vista, 7
Internal	No	No

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.