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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

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

Key differences

  • Connectivity technology
    • Wireless
    • Wired
  • Device interface
    • RF Wireless
    • USB
  • Pointing device
    • Mouse buttons
    • No
  • Keyboard battery type
    • AA
    • AAA
  • Number of batteries (keyboard)
    • 1
    • 2
  • Mouse battery type
    • AA
    • AAA
  • Number of batteries (mouse)
    • 1
    • 2
  • Compliance certificates
    • CE, RoHS
    • CE

Side by side

Differences highlightedShow differences only
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
Recommended usageOfficeOffice
Connectivity technologyDiffersWirelessWired
Device interfaceDiffersRF WirelessUSB
Keyboard key switchMembraneMembrane
Keyboard layoutQWERTYQWERTY
Keyboard languageItalianItalian
Pointing deviceDiffersMouse buttonsNo
Keyboard form factorFull-size (100%)Full-size (100%)
Numeric keypadYesYes
Keyboard number of keys105105
Keyboard key profileKnown for oneLow-profile
Multimedia keysKnown for oneYes
Frequency band2.4 GHz2.4 GHz
Silent keysKnown for oneYes
Keyboard keys operating lifeKnown for one10 million characters
Design1 differ
BacklightNoNo
Keyboard styleKnown for oneStraight
Product colourBlackBlack
Surface colorationMonochromaticMonochromatic
MaterialDiffersAcrylonitrile butadiene styrene (ABS)Plastic
Protection featuresKnown for oneSplash proof
Ergonomic designKnown for oneYes
Adjustable keyboard heightKnown for oneYes
Featuresidentical
Plug and PlayKnown for oneYes
Wireless rangeKnown for one10 m
Power2 differ
Power source typeBatteryBattery
Keyboard battery typeDiffersAAAAA
Number of batteries (keyboard)Differs12
Batteryidentical
Battery technologyAlkalineAlkaline
Mouse2 differ
Mouse includedYesYes
Form factorAmbidextrousAmbidextrous
Movement detection technologyOpticalOptical
Movement resolution1600 DPI1600 DPI
Buttons quantity33
Buttons typePressed buttonsPressed buttons
ScrollYesYes
Scroll typeWheelWheel
Scrolling directionsKnown for oneVertical
Mouse battery typeDiffersAAAAA
Mouse battery technologyAlkalineAlkaline
Number of batteries (mouse)Differs12
System requirements1 differ
Windows operating systems supportedDiffersYesWindows 10, Windows 7, Windows 8, Windows 8.1, Windows Vista, Windows XP
Linux operating systems supportedYesYes
Sustainability1 differ
Compliance certificatesDiffersCE, RoHSCE
Sustainability complianceKnown for oneYes
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs450 x 165 x 20 mm415 x 115 x 25 mm
Mouse dimensions (WxDxH)Differs62 x 110 x 34 mm55 x 115 x 25 mm
Packaging contentidentical
Number of products included2 pc(s)2 pc(s)
Receiver includedYesYes
Wireless receiver interfaceUSB Type-AUSB Type-A
Receiver typeKnown for oneNano receiver
Batteries includedYesYes
ManualKnown for oneYes

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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