Product comparison · 2 mice

HP VK921AA mouse Office USB Type-A Optical vs HP Wireless Optical (Red) Mouse

8specifications compared
5differ
3identical
18known for one product only

Key differences

Device interface
- VK921AA mouse Office USB Type-A Optical:USB Type-A
- Wireless Optical (Red) Mouse:RF Wireless
Buttons quantity
- VK921AA mouse Office USB Type-A Optical:3
- Wireless Optical (Red) Mouse:2
Product colour
- VK921AA mouse Office USB Type-A Optical:Black
- Wireless Optical (Red) Mouse:Red
Weight
- VK921AA mouse Office USB Type-A Optical:166 g
- Wireless Optical (Red) Mouse:82.5 g
Mouse dimensions (WxDxH)
- VK921AA mouse Office USB Type-A Optical:50 x 78 x 30 mm
- Wireless Optical (Red) Mouse:98 x 60 x 34.5 mm

Side by side

Differences highlightedShow differences only

Comparison of VK921AA, Wireless Optical (Red) Mouse
26 specifications	A HP VK921AA mouse Office USB Type-A Optical Model VK921AA View product	B HP Wireless Optical (Red) Mouse View product
Mouse2 differ
PurposeKnown for one	Office	Unknown — not stated by the source
Connectivity technologyKnown for one	Wired	Unknown — not stated by the source
Device interfaceDiffers	USB Type-A	RF Wireless
Movement detection technology	Optical	Optical
Scroll typeKnown for one	Wheel	Unknown — not stated by the source
Number of scroll wheelsKnown for one	1	Unknown — not stated by the source
Buttons quantityDiffers	3	2
Scroll	Yes	Yes
Recommended usageKnown for one	PC	Unknown — not stated by the source
Movement resolutionKnown for one	Unknown — not stated by the source	1250 DPI
Design1 differ
Product colourDiffers	Black	Red
Surface colorationKnown for one	Monochromatic	Unknown — not stated by the source
Poweridentical
Power sourceKnown for one	Cable	Unknown — not stated by the source
Battery typeKnown for one	Unknown — not stated by the source	AA
System requirementsidentical
Windows operating systems supportedKnown for one	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Wi	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No
Weight & dimensions1 differ
WeightDiffers	166 g	82.5 g
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Country of origin	China	China
Other features1 differ
Mouse dimensions (WxDxH)Differs	50 x 78 x 30 mm	98 x 60 x 34.5 mm
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
USB requiredKnown for one	Yes	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows XP/Vista/7
Minimum system requirementsKnown for one	Unknown — not stated by the source	Available USB port; Microsoft Windows XP/Vista/7
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	215 x 160 x 51 mm
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	167.5 g

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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