Product comparison · 2 keyboards

Lenovo 31P9502 keyboard USB QWERTZ CHE Black vs Lenovo 57Y4703 keyboard Mouse included RF Wireless Black

Key differences

Connectivity technology
- 31P9502 keyboard USB QWERTZ CHE Black:Wired
- 57Y4703 keyboard Mouse included RF Wireless Black:Wireless
Device interface
- 31P9502 keyboard USB QWERTZ CHE Black:USB
- 57Y4703 keyboard Mouse included RF Wireless Black:RF Wireless
Mouse included
- 31P9502 keyboard USB QWERTZ CHE Black:No
- 57Y4703 keyboard Mouse included RF Wireless Black:Yes
Keyboard dimensions (WxDxH)
- 31P9502 keyboard USB QWERTZ CHE Black:315 x 220 x 22 mm
- 57Y4703 keyboard Mouse included RF Wireless Black:459 x 185 x 31 mm
Keyboard weight
- 31P9502 keyboard USB QWERTZ CHE Black:530 g
- 57Y4703 keyboard Mouse included RF Wireless Black:694 g

Differences highlightedShow differences only

Comparison of 31P9502, 57Y4703
14 specifications	A Lenovo 31P9502 keyboard USB QWERTZ CHE Black Model 31P9502 View product	B Lenovo 57Y4703 keyboard Mouse included RF Wireless Black Model 57Y4703 View product
Keyboard2 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Keyboard layoutKnown for one	QWERTZ	Unknown — not stated by the source
Keyboard languageKnown for one	CHE	Unknown — not stated by the source
Keyboard number of keysKnown for one	88	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Mouse1 differ
Mouse includedDiffers	No	Yes
System requirementsidentical
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	315 x 220 x 22 mm	459 x 185 x 31 mm
Keyboard weightDiffers	530 g	694 g
Mouse dimensions (WxDxH)Known for one	Unknown — not stated by the source	53 x 97 x 35 mm
Mouse weightKnown for one	Unknown — not stated by the source	80 g
Other featuresidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7, Windows Vista, Windows XP (32-bit)

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.