Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey vs Lenovo Go Wireless

Comparison of 4Y41C33791, Go Wireless

30 specifications	A Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey Model 4Y41C33791 View product	B Lenovo Go WirelessView product
Features1 differ
Device interfaceDiffers	RF Wireless	Bluetooth/USB/RF Wireless
Key switch type	Tactile	Tactile
Purpose	Universal	Universal
Pointing device	No	No
USB hub	No	No
Keyboard number of keys	21	21
Keys operating life	10 million characters	10 million characters
Frequency band	2.4 GHz	2.4 GHz
Designidentical
BacklightKnown for one	—Unknown — not stated by the source	No
Ergonomic design	Yes	Yes
Cable lengthKnown for one	—Unknown — not stated by the source	1 m
Product colour	Grey	Grey
Poweridentical
Power source type	Battery	Battery
System requirementsidentical
Windows operating systems supported	Yes	Yes
Weight & dimensionsidentical
Width	132.8 mm	132.8 mm
Depth	85 mm	85 mm
Height	13.5 mm	13.5 mm
Weight	109 g	109 g
Packaging dataidentical
Package width	180 mm	180 mm
Package depth	127 mm	127 mm
Package height	43 mm	43 mm
Package weight	277 g	277 g
Packaging contentidentical
Cables includedKnown for one	—Unknown — not stated by the source	USB Type-C to USB Type-A
Receiver includedKnown for one	—Unknown — not stated by the source	Yes
Warranty cardKnown for one	—Unknown — not stated by the source	Yes
Batteryidentical
Battery technologyKnown for one	—Unknown — not stated by the source	Lithium Polymer (LiPo)
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	20 - 95%	20 - 95%
Other featuresidentical
Wireless receiver interface	USB	USB
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84716060	—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.