Product comparison · 2 keyboards

Vultech KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black vs Vultech KM-831W keyboard Mouse included Office USB QWERTY Italian Black

39specifications compared
12differ
27identical
14known for one product only

Key differences

Connectivity technology
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:Wireless
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:Wired
Device interface
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:RF Wireless
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:USB
Pointing device
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:Mouse buttons
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:No
Keyboard battery type
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:AA
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:AAA
Number of batteries (keyboard)
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:1
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:2
Mouse battery type
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:AA
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:AAA
Number of batteries (mouse)
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:1
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:2
Compliance certificates
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:CE, RoHS
- KM-831W keyboard Mouse included Office USB QWERTY Italian Black:CE

Side by side

Differences highlightedShow differences only

Comparison of KM-821W, KM-831W
53 specifications	A Vultech KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black Model KM-821W View product	B Vultech KM-831W keyboard Mouse included Office USB QWERTY Italian Black Model KM-831W View product
Keyboard3 differ
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Pointing deviceDiffers	Mouse buttons	No
Keyboard key profileKnown for one	Unknown — not stated by the source	Low-profile
Multimedia keysKnown for one	Unknown — not stated by the source	Yes
Silent keysKnown for one	Unknown — not stated by the source	Yes
Keyboard keys operating lifeKnown for one	10 million characters	Unknown — not stated by the source
Design1 differ
Keyboard styleKnown for one	Unknown — not stated by the source	Straight
MaterialDiffers	Acrylonitrile butadiene styrene (ABS)	Plastic
Protection featuresKnown for one	Unknown — not stated by the source	Splash proof
Ergonomic designKnown for one	Yes	Unknown — not stated by the source
Adjustable keyboard heightKnown for one	Yes	Unknown — not stated by the source
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Power2 differ
Keyboard battery typeDiffers	AA	AAA
Number of batteries (keyboard)Differs	1	2
Mouse2 differ
Scrolling directionsKnown for one	Unknown — not stated by the source	Vertical
Mouse battery typeDiffers	AA	AAA
Number of batteries (mouse)Differs	1	2
System requirements1 differ
Windows operating systems supportedDiffers	Yes	Windows 10, Windows 7, Windows 8, Windows 8.1, Windows Vista, Windows XP
Sustainability1 differ
Compliance certificatesDiffers	CE, RoHS	CE
Sustainability complianceKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	450 x 165 x 20 mm	415 x 115 x 25 mm
Mouse dimensions (WxDxH)Differs	62 x 110 x 34 mm	55 x 115 x 25 mm
Packaging contentidentical
Receiver typeKnown for one	Unknown — not stated by the source	Nano receiver
ManualKnown for one	Unknown — not stated by the source	Yes

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.

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