Contour Design RollerMouse Pro vs HP Digital Sketch BU865AA

Comparison of RollerMouse Pro, Digital Sketch BU865AA

11 specifications	A Contour Design RollerMouse ProView product	B HP Digital Sketch BU865AAView product
Features1 differ
InterfaceKnown for one	USB/PS2	—Unknown — not stated by the source
Product colourDiffers	Black	Silver
CompatibilityKnown for one	—Unknown — not stated by the source	HP QL796AA
System requirementsidentical
Compatible operating systemsKnown for one	Microsoft Windows 7/Vista/XP/ME/98 Microsoft Windows 2008/2003/2000/NT 4.0 Apple OSX, Apple Mac OS 8.1+	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	510 mm	—Unknown — not stated by the source
DepthKnown for one	90 mm	—Unknown — not stated by the source
HeightKnown for one	320 mm	—Unknown — not stated by the source
WeightKnown for one	—Unknown — not stated by the source	612 g
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	278 x 282 x 20 mm
Poweridentical
Battery typeKnown for one	—Unknown — not stated by the source	AAA
Batteryidentical
Battery technologyKnown for one	—Unknown — not stated by the source	Lithium-Ion (Li-Ion)

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.