Product comparison · 2 mobile device keyboards

Ewent EW3140 mobile device keyboard QWERTY English USB Black vs Lenovo 888016644 Bluetooth Blue

11specifications compared
6differ
5identical
16known for one product only

Key differences

Pointing device
- EW3140 mobile device keyboard QWERTY English USB Black:Touchpad
- 888016644 Bluetooth Blue:No
Brand compatibility
- EW3140 mobile device keyboard QWERTY English USB Black:Any brand
- 888016644 Bluetooth Blue:Lenovo
Product colour
- EW3140 mobile device keyboard QWERTY English USB Black:Black
- 888016644 Bluetooth Blue:Blue
Cover
- EW3140 mobile device keyboard QWERTY English USB Black:No
- 888016644 Bluetooth Blue:Yes
Backlight
- EW3140 mobile device keyboard QWERTY English USB Black:Yes
- 888016644 Bluetooth Blue:No
Device interface
- EW3140 mobile device keyboard QWERTY English USB Black:USB
- 888016644 Bluetooth Blue:Bluetooth

Side by side

Differences highlightedShow differences only

Comparison of EW3140, 888016644
27 specifications	A Ewent EW3140 mobile device keyboard QWERTY English USB Black Model EW3140 View product	B Lenovo 888016644 Bluetooth Blue Model 888016644 View product
Keyboard1 differ
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Keyboard languageKnown for one	English	Unknown — not stated by the source
Pointing deviceDiffers	Touchpad	No
Numeric keypad	No	No
Windows keys	Yes	Yes
Performance4 differ
Brand compatibilityDiffers	Any brand	Lenovo
Product colourDiffers	Black	Blue
CoverDiffers	No	Yes
BacklightDiffers	Yes	No
Backlight colourKnown for one	Blue	Unknown — not stated by the source
CompatibilityKnown for one	Unknown — not stated by the source	A10
Ports & interfaces1 differ
Connectivity technology	Wireless	Wireless
Device interfaceDiffers	USB	Bluetooth
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Poweridentical
Power source	Battery	Battery
Battery typeKnown for one	Built-in battery	Unknown — not stated by the source
Standby timeKnown for one	29.17 day(s)	Unknown — not stated by the source
System requirementsidentical
Windows operating systems supportedKnown for one	Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	151 mm	Unknown — not stated by the source
DepthKnown for one	59 mm	Unknown — not stated by the source
HeightKnown for one	12.5 mm	Unknown — not stated by the source
WeightKnown for one	85.5 g	Unknown — not stated by the source
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Other featuresidentical
Keyboard form factor	Mini	Mini
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84716060	Unknown — not stated by the source

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.

More mobile device keyboard comparisons

All mobile device keyboard comparisons