Acer PS2 Optical mouse vs NGS Roly White

Comparison of PS2 Optical mouse, Roly White

32 specifications	A Acer PS2 Optical mouseView product	B NGS Roly WhiteView product
Mouse2 differ
Purpose	Office	Office
Device interfaceDiffers	PS/2	RF Wireless
Movement detection technology	Optical	Optical
Movement resolutionKnown for one	—Unknown — not stated by the source	1600 DPI
Scroll type	Wheel	Wheel
Number of scroll wheelsKnown for one	—Unknown — not stated by the source	1
Scrolling directionsKnown for one	—Unknown — not stated by the source	Vertical
Buttons quantity	3	3
Scroll	Yes	Yes
Recommended usageDiffers	PC/Laptop	Laptop
Frequency bandKnown for one	—Unknown — not stated by the source	2.4 GHz
Keypad integratedKnown for one	—Unknown — not stated by the source	No
Built-in memoryKnown for one	—Unknown — not stated by the source	No
CertificationKnown for one	—Unknown — not stated by the source	FCC/FC
Buttons typeKnown for one	Pressed buttons	—Unknown — not stated by the source
Designidentical
Form factor	Ambidextrous	Ambidextrous
Surface colorationKnown for one	—Unknown — not stated by the source	Monochromatic
Product colourKnown for one	Black	—Unknown — not stated by the source
Ergonomicsidentical
Retractable cableKnown for one	—Unknown — not stated by the source	No
Poweridentical
Number of batteries supportedKnown for one	—Unknown — not stated by the source	1
Battery typeKnown for one	—Unknown — not stated by the source	AAA
System requirementsidentical
Minimum processorKnown for one	—Unknown — not stated by the source	Pentium III
Minimum RAMKnown for one	—Unknown — not stated by the source	512 MB
Packaging dataidentical
Package weightKnown for one	—Unknown — not stated by the source	110 g
Packaging contentidentical
Receiver includedKnown for one	—Unknown — not stated by the source	Yes
Wireless receiver interfaceKnown for one	—Unknown — not stated by the source	USB Type-A
Receiver typeKnown for one	—Unknown — not stated by the source	Nano receiver
Batteries includedKnown for one	—Unknown — not stated by the source	Yes
User guideKnown for one	—Unknown — not stated by the source	Yes
Other featuresidentical
Compatible operating systemsKnown for one	—Unknown — not stated by the source	Windows 7, Vista, XP, 2000
Package dimensions (WxDxH)Known for one	—Unknown — not stated by the source	130 x 40 x 160 mm
USB requiredKnown for one	—Unknown — not stated by the source	Yes

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.