Conceptronic Numeric Keypad vs Conceptronic Thumb Keypad

Comparison of Numeric Keypad, Thumb Keypad

14 specifications	A Conceptronic Numeric KeypadView product	B Conceptronic Thumb KeypadView product
Keyboard1 differ
Connectivity technology	Wired	Wired
Device interface	USB	USB
Keyboard number of keysDiffers	19	20
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Black
Mouseidentical
Mouse included	No	No
System requirements1 differ
Mac operating systems supportedDiffers	Yes	No
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	—Unknown — not stated by the source	15 x 115 x 150 mm
Other features1 differ
Compatible operating systemsDiffers	Windows 98/ME/2000/XP Mac OS 8.5 +	Win 2000, XP, Vista
DepthKnown for one	—Unknown — not stated by the source	115 mm
HeightKnown for one	—Unknown — not stated by the source	150 mm
InternalKnown for one	—Unknown — not stated by the source	No
WidthKnown for one	—Unknown — not stated by the source	15 mm
I/O portsKnown for one	2x USB	—Unknown — not stated by the source
Featuresidentical
Cable lengthKnown for one	0.7 m	—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.