NGS Bernoulli Bluetooth vs NGS Roly Red

Comparison of Bernoulli Bluetooth, Roly Red

33 specifications	A NGS Bernoulli BluetoothView product	B NGS Roly RedView product
Mouse1 differ
Purpose	Office	Office
Device interfaceDiffers	Bluetooth	RF Wireless
Movement detection technologyKnown for one	—Unknown — not stated by the source	Optical
Movement resolution	1600 DPI	1600 DPI
Scroll type	Wheel	Wheel
Number of scroll wheels	1	1
Scrolling directions	Vertical	Vertical
Buttons quantity	3	3
Scroll	Yes	Yes
Recommended usage	Laptop	Laptop
Frequency bandKnown for one	—Unknown — not stated by the source	2.4 GHz
Keypad integrated	No	No
Built-in memory	No	No
Designidentical
Form factor	Ambidextrous	Ambidextrous
Surface coloration	Monochromatic	Monochromatic
Rubber gripsKnown for one	—Unknown — not stated by the source	Yes
Product colourKnown for one	White	—Unknown — not stated by the source
Ergonomicsidentical
Retractable cable	No	No
Power1 differ
Power source	Batteries	Batteries
Number of batteries supportedDiffers	2	1
Battery type	AAA	AAA
System requirementsidentical
Minimum processor	Pentium III	Pentium III
Minimum RAM	512 MB	512 MB
Packaging dataidentical
AC adapter includedKnown for one	—Unknown — not stated by the source	No
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 included	Yes	Yes
User guide	Yes	Yes
Other featuresidentical
Compatible operating systems	Windows 7, vista, XP, 2000	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.