Product comparison · 2 keyboards

KeySonic ACK-3400BT keyboard Bluetooth English Black vs KeySonic ACK-540U+ (UK)

23specifications compared
10differ
13identical
24known for one product only

Key differences

Connectivity technology
- ACK-3400BT keyboard Bluetooth English Black:Wireless
- ACK-540U+ (UK):Wired
Device interface
- ACK-3400BT keyboard Bluetooth English Black:Bluetooth
- ACK-540U+ (UK):USB
Keyboard language
- ACK-3400BT keyboard Bluetooth English Black:English
- ACK-540U+ (UK):UK English
Wrist rest
- ACK-3400BT keyboard Bluetooth English Black:No
- ACK-540U+ (UK):Yes
LED indicators
- ACK-3400BT keyboard Bluetooth English Black:Status
- ACK-540U+ (UK):Yes
Power source type
- ACK-3400BT keyboard Bluetooth English Black:Battery
- ACK-540U+ (UK):USB
Power consumption
- ACK-3400BT keyboard Bluetooth English Black:30 mA
- ACK-540U+ (UK):100 mA
Keyboard dimensions (WxDxH)
- ACK-3400BT keyboard Bluetooth English Black:219 x 116 x 22 mm
- ACK-540U+ (UK):29 x 291 x 197 mm

Side by side

Differences highlightedShow differences only

Comparison of ACK-3400BT, ACK-540U+ (UK)
47 specifications	A KeySonic ACK-3400BT keyboard Bluetooth English Black Model ACK-3400BT View product	B KeySonic ACK-540U+ (UK)View product
Keyboard3 differ
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	Bluetooth	USB
Keyboard languageDiffers	English	UK English
Keyboard form factor	Mini	Mini
Numeric keypad	No	No
Keyboard number of keysKnown for one	77	Unknown — not stated by the source
Keyboard keys operating life	5 million characters	5 million characters
Purpose	Universal	Universal
Actuation forceKnown for one	55 g	Unknown — not stated by the source
Frequency bandKnown for one	2.4 - 2.483 GHz	Unknown — not stated by the source
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Recommended usageKnown for one	Unknown — not stated by the source	Office
Keyboard key switchKnown for one	Unknown — not stated by the source	Membrane
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Country of originKnown for one	Unknown — not stated by the source	China
Design2 differ
Backlight	No	No
Keyboard style	Straight	Straight
Wrist restDiffers	No	Yes
Product colour	Black	Black
LED indicatorsDiffers	Status	Yes
Surface colorationKnown for one	Unknown — not stated by the source	Monochromatic
MaterialKnown for one	Unknown — not stated by the source	Plastic
Featuresidentical
Wireless rangeKnown for one	10 m	Unknown — not stated by the source
Cable lengthKnown for one	Unknown — not stated by the source	1.9 m
Power2 differ
Power source typeDiffers	Battery	USB
Power consumptionDiffers	30 mA	100 mA
Battery typeKnown for one	AAA	Unknown — not stated by the source
Number of batteries supportedKnown for one	2	Unknown — not stated by the source
Mouseidentical
Mouse included	No	No
System requirementsidentical
Windows operating systems supported	Windows 2000, Windows 98SE, Windows ME, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vist	Windows 2000, Windows 98SE, Windows ME, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vist
Operational conditionsidentical
Operating temperature (T-T)	0 - 50 °C	0 - 50 °C
Storage temperature (T-T)	-20 - 65 °C	-20 - 65 °C
Operating relative humidity (H-H)	10 - 85%	10 - 85%
Storage relative humidity (H-H)Known for one	10 - 85%	Unknown — not stated by the source
Weight & dimensions2 differ
Keyboard dimensions (WxDxH)Differs	219 x 116 x 22 mm	29 x 291 x 197 mm
Keyboard weightDiffers	220 g	665 g
Packaging contentidentical
Receiver includedKnown for one	Yes	Unknown — not stated by the source
Batteries includedKnown for one	Yes	Unknown — not stated by the source
User guide	Yes	Yes
Number of products includedKnown for one	Unknown — not stated by the source	1 pc(s)
Packaging data1 differ
Package widthKnown for one	242 mm	Unknown — not stated by the source
Package depthKnown for one	157 mm	Unknown — not stated by the source
Package heightKnown for one	33 mm	Unknown — not stated by the source
Package weightDiffers	420 g	880 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84716060
Products per master (outer) caseKnown for one	Unknown — not stated by the source	20 pc(s)

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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