Lenovo USB Smartcard Keyboard HU vs Manhattan 171939 keyboard Office USB White

Comparison of USB Smartcard Keyboard HU, 171939

20 specifications	A Lenovo USB Smartcard Keyboard HUView product	B Manhattan 171939 keyboard Office USB White Model 171939 View product
Design1 differ
Product colourDiffers	Black	White
BacklightKnown for one	—Unknown — not stated by the source	Yes
Backlight colourKnown for one	—Unknown — not stated by the source	Blue
Keyboard styleKnown for one	—Unknown — not stated by the source	Straight
Featuresidentical
Cable lengthKnown for one	2.3 m	—Unknown — not stated by the source
Plug and PlayKnown for one	Yes	—Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
System requirementsidentical
USB requiredKnown for one	Yes	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 40 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	457 x 185 x 35 mm	—Unknown — not stated by the source
Keyboard weightKnown for one	1.06 kg	—Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	ISO 7816-1, 2, 3, 4	—Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows XP, Vista	—Unknown — not stated by the source
InternalKnown for one	No	—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.