Product comparison · 2 keyboards

Lenovo Ultraslim Wireless Keyboar vs Lenovo USB Smartcard Keyboard

Key differences

Connectivity technology
- Ultraslim Wireless Keyboar:Wireless
- USB Smartcard Keyboard:Wired
Device interface
- Ultraslim Wireless Keyboar:RF Wireless
- USB Smartcard Keyboard:USB
Mouse included
- Ultraslim Wireless Keyboar:Yes
- USB Smartcard Keyboard:No

Differences highlightedShow differences only

Comparison of Ultraslim Wireless Keyboar, USB Smartcard Keyboard
18 specifications	A Lenovo Ultraslim Wireless Keyboar View product	B Lenovo USB Smartcard Keyboard View product
Keyboard2 differ
Connectivity technologyDiffers	Wireless	Wired
Device interfaceDiffers	RF Wireless	USB
Keyboard layout	QWERTY	QWERTY
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Keyboard number of keysKnown for one	Unknown — not stated by the source	104
Featuresidentical
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Mouse1 differ
Mouse includedDiffers	Yes	No
Movement resolutionKnown for one	1000 DPI	Unknown — not stated by the source
ScrollKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard weightKnown for one	316 g	Unknown — not stated by the source
Other featuresidentical
Internal	No	No
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP, Vista 32-bit & Vista 64-bit
DepthKnown for one	Unknown — not stated by the source	7.3 in
HeightKnown for one	Unknown — not stated by the source	1.4 in
WidthKnown for one	Unknown — not stated by the source	18 in
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black

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.