Cherry Ultraslim Trackball Keyboard USB (SE/FI) vs Lenovo Preferred Pro USB - RU

Comparison of Ultraslim Trackball Keyboard USB (SE/FI), Preferred Pro USB - RU

14 specifications	A Cherry Ultraslim Trackball Keyboard USB (SE/FI)View product	B Lenovo Preferred Pro USB - RUView product
Keyboardidentical
Connectivity technology	Wired	Wired
Device interface	USB	USB
Keyboard layoutKnown for one	QWERTY	—Unknown — not stated by the source
Keyboard number of keysKnown for one	84	—Unknown — not stated by the source
Design1 differ
Product colourDiffers	Grey	Black
Featuresidentical
Cable lengthKnown for one	1.75 m	—Unknown — not stated by the source
Mouseidentical
Mouse included	No	No
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 50 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	370 x 139 x 19.6 mm	—Unknown — not stated by the source
Keyboard weightKnown for one	700 g	—Unknown — not stated by the source
Other featuresidentical
I/O portsKnown for one	USB	—Unknown — not stated by the source
DepthKnown for one	—Unknown — not stated by the source	7.3 in
HeightKnown for one	—Unknown — not stated by the source	1.3 in
WidthKnown for one	—Unknown — not stated by the source	17.8 in

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.