Product comparison · 2 mobile device keyboards

Kensington K39521 QWERTY Bluetooth Black vs Kensington K39640UK mobile device keyboard QWERTY Bluetooth

9specifications compared
4differ
5identical
16known for one product only

Key differences

Full-size keyboard
- K39521 QWERTY Bluetooth Black:No
- K39640UK mobile device keyboard QWERTY Bluetooth:Yes
Keyboard form factor
- K39521 QWERTY Bluetooth Black:Mini
- K39640UK mobile device keyboard QWERTY Bluetooth:Standard
Power source type
- K39521 QWERTY Bluetooth Black:Battery
- K39640UK mobile device keyboard QWERTY Bluetooth:USB

Side by side

Differences highlightedShow differences only

Comparison of K39521, K39640UK
25 specifications	A Kensington K39521 QWERTY Bluetooth Black Model K39521 View product	B Kensington K39640UK mobile device keyboard QWERTY Bluetooth Model K39640UK View product
Keyboard1 differ
Keyboard layout	QWERTY	QWERTY
Keyboard number of keysKnown for one	Unknown — not stated by the source	83
Numeric keypad	No	No
Full-size keyboardDiffers	No	Yes
Windows keysKnown for one	Unknown — not stated by the source	No
Performance1 differ
CompatibilityDiffers	Apple iPad 2	iPad 3rd Gen, iPad 4th Gen, iPad 2
Product colourKnown for one	Black	Unknown — not stated by the source
Housing materialKnown for one	Leather	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
Connectivity technology	Wireless	Wireless
Device interface	Bluetooth	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 sourceKnown for one	Unknown — not stated by the source	Battery
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	210 x 40 x 290 mm
Package weightKnown for one	Unknown — not stated by the source	667 g
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	USB
Mouse included	No	No
User guideKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
Battery life (max)Known for one	Unknown — not stated by the source	100 h
Built-in batteryKnown for one	Unknown — not stated by the source	Yes
Keyboard form factorDiffers	Mini	Standard
Power source typeDiffers	Battery	USB
USB requiredKnown for one	Unknown — not stated by the source	Yes
BluetoothKnown for one	Yes	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.

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