Product comparison · 2 numeric keypads

Hama KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black vs Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey

14specifications compared
11differ
3identical
19known for one product only

Key differences

Device interface
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:Bluetooth
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:RF Wireless
Purpose
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:Laptop/PC
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:Universal
Keyboard number of keys
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:22
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:21
Product colour
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:Anthracite, Black
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:Grey
Width
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:85 mm
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:132.8 mm
Depth
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:130 mm
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:85 mm
Height
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:20 mm
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:13.5 mm
Package depth
- KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black:140 mm
- 4Y41C33791 numeric keypad Universal RF Wireless Grey:127 mm

Side by side

Differences highlightedShow differences only

Comparison of KW-240BT, 4Y41C33791
33 specifications	A Hama KW-240BT numeric keypad Laptop/PC Bluetooth Anthracite, Black Model KW-240BT View product	B Lenovo 4Y41C33791 numeric keypad Universal RF Wireless Grey Model 4Y41C33791 View product
Features3 differ
Device interfaceDiffers	Bluetooth	RF Wireless
Key switch typeKnown for one	Unknown — not stated by the source	Tactile
PurposeDiffers	Laptop/PC	Universal
Pointing device	No	No
USB hubKnown for one	Unknown — not stated by the source	No
Keyboard number of keysDiffers	22	21
Keys operating lifeKnown for one	Unknown — not stated by the source	10 million characters
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Bluetooth versionKnown for one	3.0	Unknown — not stated by the source
Wireless rangeKnown for one	8 m	Unknown — not stated by the source
Design1 differ
Ergonomic designKnown for one	Unknown — not stated by the source	Yes
Product colourDiffers	Anthracite, Black	Grey
Poweridentical
Power source type	Battery	Battery
Battery typeKnown for one	AAA Micro	Unknown — not stated by the source
Number of batteries supportedKnown for one	2	Unknown — not stated by the source
System requirements1 differ
Windows operating systems supportedDiffers	Windows 10, Windows 7, Windows 8	Yes
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Mac OS X 10.10 Yosemite, Mac OS X 10.8 Mountain Lion	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	85 mm	132.8 mm
DepthDiffers	130 mm	85 mm
HeightDiffers	20 mm	13.5 mm
WeightKnown for one	Unknown — not stated by the source	109 g
Packaging data3 differ
Package width	180 mm	180 mm
Package depthDiffers	140 mm	127 mm
Package heightDiffers	25 mm	43 mm
Package weightDiffers	173 g	277 g
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 95%
Other featuresidentical
Wireless receiver interfaceKnown for one	Unknown — not stated by the source	USB
On/off switchKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84716060
Packaging contentidentical
Batteries includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	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.

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