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Product comparison · 2 keyboards

Kensington Ergo KB620-RC vs Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black

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  • 20specifications compared
  • 12differ
  • 8identical
  • 45known for one product only

Key differences

Only the Kensington Ergo KB620-RC has USB Type-C charging port. Only the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black has mouse included. Recommended usage: Home/Office on the Kensington Ergo KB620-RC, Office on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black. Device interface: USB + Bluetooth on the Kensington Ergo KB620-RC, RF Wireless + Bluetooth on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black. Keyboard form factor: 98% on the Kensington Ergo KB620-RC, Full-size (100%) on the Lenovo 4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black.

  • Recommended usage
    • Home/Office
    • Office
  • Device interface
    • USB + Bluetooth
    • RF Wireless + Bluetooth
  • Keyboard form factor
    • 98%
    • Full-size (100%)
  • Keyboard style
    • Curved
    • Straight
  • LED indicators
    • Status
    • Yes
  • Service life of battery
    • 3 month(s)
    • 36 month(s)
  • USB Type-C charging port
    • Yes
    • No
  • Mouse included
    • No
    • Yes

Side by side

Differences highlightedShow differences only
65 specifications
A

Kensington

Ergo KB620-RCView product
B

Lenovo

4X31S04811 keyboard Mouse included Office RF Wireless + Bluetooth Ukrainian Black

Model 4X31S04811

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Keyboard3 differ
Recommended usageDiffersHome/OfficeOffice
Connectivity technologyWirelessWireless
Device interfaceDiffersUSB + BluetoothRF Wireless + Bluetooth
Keyboard languageKnown for oneUkrainian
Pointing deviceKnown for oneNo
Keyboard form factorDiffers98%Full-size (100%)
Numeric keypadYesYes
Keyboard keys operating lifeKnown for one10 million characters
Windows keysKnown for oneYes
Frequency band2.4 GHz2.4 GHz
Key pitchKnown for one1.91 cm
Bluetooth version5.45.4
Security algorithmsKnown for one128-bit AES
CertificationKnown for oneCB TUV Mark CE cTUVus FCC IC IMDA WPC BIS SIRIM NBTC-SDOC SDPPI NTC AITI TRC NCC BSMI MSIP VCCI JRF KVALITET ICASA TRA NTRA MOC PTA ICT EQM BOCRA ARCT ETA NCA POTRAZ etc.
Keyboard layoutKnown for oneQWERTY
Design2 differ
BacklightKnown for oneNo
Keyboard styleDiffersCurvedStraight
Adjustable keyboard heightKnown for oneYes
Product colourBlackBlack
LED indicatorsDiffersStatusYes
Ergonomic designKnown for oneYes
Wrist restKnown for oneYes
Surface colorationKnown for oneMonochromatic
Featuresidentical
Plug and PlayKnown for oneYes
Power2 differ
Power source typeBatteryBattery
Keyboard battery typeKnown for oneAAA
Number of batteries (keyboard)Known for one2
Service life of batteryDiffers3 month(s)36 month(s)
USB Type-C charging portDiffersYesNo
RechargeableKnown for oneYes
Mouse1 differ
Mouse includedDiffersNoYes
Form factorKnown for oneAmbidextrous
Movement detection technologyKnown for oneOptical
Movement resolutionKnown for one2400 DPI
Number of movement resolution modesKnown for one3
Buttons quantityKnown for one8
Buttons typeKnown for onePressed buttons
ScrollKnown for oneYes
Scroll typeKnown for oneWheel
Scrolling directionsKnown for oneVertical
Mouse battery typeKnown for oneAA
Mouse battery lifeKnown for one36 month(s)
Buttons durability (million clicks)Known for one5
System requirements2 differ
Windows operating systems supportedDiffersYesWindows 10, Windows 11
Mac operating systems supportedDiffersMacOSYes
Linux operating systems supportedKnown for oneYes
Other operating systems supportedChromeOSChromeOS
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one20 - 95%
Weight & dimensions1 differ
Keyboard dimensions (WxDxH)Differs220 x 418 x 37 mm433.6 x 123.4 x 25.2 mm
Keyboard weightKnown for one415 g
Mouse dimensions (WxDxH)Known for one61 x 113 x 36.4 mm
Mouse weightKnown for one60 g
Packaging content1 differ
Number of products includedDiffers1 pc(s)2 pc(s)
Receiver includedKnown for oneYes
Wireless receiver interfaceKnown for oneUSB Type-A
Batteries includedKnown for oneYes
AC adapter includedKnown for oneNo
Packaging dataidentical
Package widthKnown for one529 mm
Package depthKnown for one145 mm
Package heightKnown for one44 mm
Package weightKnown for one756.3 g
Package typeKnown for oneBox
Other featuresidentical
Warranty period3 year(s)3 year(s)
Recycling dataidentical
Product post-consumer recycled plasticKnown for one95%

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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