Product comparison · 2 keyboards

Lenovo 4Y40Q26820 keyboard Universal USB QWERTY English White vs Trust 21581 keyboard Universal Bluetooth QWERTZ German White

11specifications compared
6differ
5identical
25known for one product only

Key differences

Connectivity technology
- 4Y40Q26820 keyboard Universal USB QWERTY English White:Wired
- 21581 keyboard Universal Bluetooth QWERTZ German White:Wireless
Device interface
- 4Y40Q26820 keyboard Universal USB QWERTY English White:USB
- 21581 keyboard Universal Bluetooth QWERTZ German White:Bluetooth
Keyboard layout
- 4Y40Q26820 keyboard Universal USB QWERTY English White:QWERTY
- 21581 keyboard Universal Bluetooth QWERTZ German White:QWERTZ
Keyboard language
- 4Y40Q26820 keyboard Universal USB QWERTY English White:English
- 21581 keyboard Universal Bluetooth QWERTZ German White:German
Numeric keypad
- 4Y40Q26820 keyboard Universal USB QWERTY English White:Yes
- 21581 keyboard Universal Bluetooth QWERTZ German White:No
Power source type
- 4Y40Q26820 keyboard Universal USB QWERTY English White:USB
- 21581 keyboard Universal Bluetooth QWERTZ German White:Battery

Side by side

Differences highlightedShow differences only

Comparison of 4Y40Q26820, 21581
36 specifications	A Lenovo 4Y40Q26820 keyboard Universal USB QWERTY English White Model 4Y40Q26820 View product	B Trust 21581 keyboard Universal Bluetooth QWERTZ German White Model 21581 View product
Keyboard5 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	Bluetooth
Keyboard layoutDiffers	QWERTY	QWERTZ
Keyboard languageDiffers	English	German
Numeric keypadDiffers	Yes	No
Keyboard number of keysKnown for one	Unknown — not stated by the source	85
Multimedia keysKnown for one	Unknown — not stated by the source	Yes
USB hubKnown for one	Unknown — not stated by the source	No
PurposeKnown for one	Unknown — not stated by the source	Universal
Fingerprint readerKnown for one	Unknown — not stated by the source	No
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Designidentical
Keyboard styleKnown for one	Unknown — not stated by the source	Straight
Ergonomic designKnown for one	Unknown — not stated by the source	No
Wrist restKnown for one	Unknown — not stated by the source	No
BacklightKnown for one	No	Unknown — not stated by the source
Built-in displayKnown for one	No	Unknown — not stated by the source
Featuresidentical
Wireless rangeKnown for one	Unknown — not stated by the source	10 m
Power1 differ
Power source typeDiffers	USB	Battery
Keyboard battery typeKnown for one	Unknown — not stated by the source	AAA
Number of batteries (keyboard)Known for one	Unknown — not stated by the source	2
Service life of batteryKnown for one	Unknown — not stated by the source	6 month(s)
RechargeableKnown for one	Unknown — not stated by the source	Yes
Mouseidentical
Mouse includedKnown for one	Unknown — not stated by the source	No
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac compatibilityKnown for one	Unknown — not stated by the source	Yes
Mobile operating systems supportedKnown for one	Unknown — not stated by the source	Android, iOS
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	Unknown — not stated by the source	286.5 x 121 x 22 mm
Keyboard weightKnown for one	Unknown — not stated by the source	293 g
Packaging contentidentical
Receiver includedKnown for one	Unknown — not stated by the source	No
Batteries includedKnown for one	Unknown — not stated by the source	Yes
User guideKnown 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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