Product comparison · 2 keyboards

Lenovo 31P9507 keyboard USB Black vs Trust Wireless Optical MediaPlayer Deskset DS-3700R ES

Key differences

Connectivity technology
- 31P9507 keyboard USB Black:Wired
- Wireless Optical MediaPlayer Deskset DS-3700R ES:Wireless
Device interface
- 31P9507 keyboard USB Black:USB
- Wireless Optical MediaPlayer Deskset DS-3700R ES:RF Wireless
Mouse included
- 31P9507 keyboard USB Black:No
- Wireless Optical MediaPlayer Deskset DS-3700R ES:Yes
Keyboard function keys
- 31P9507 keyboard USB Black:Yes
- Wireless Optical MediaPlayer Deskset DS-3700R ES:19

Differences highlightedShow differences only

Comparison of 31P9507, Wireless Optical MediaPlayer Deskset DS-3700R ES
17 specifications	A Lenovo 31P9507 keyboard USB Black Model 31P9507 View product	B Trust Wireless Optical MediaPlayer Deskset DS-3700R ES View product
Keyboard2 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Pointing deviceKnown for one	TrackPoint & UltraNav	Unknown — not stated by the source
Featuresidentical
Wireless rangeKnown for one	Unknown — not stated by the source	8 m
Mouse1 differ
Mouse includedDiffers	No	Yes
Movement detection technologyKnown for one	Unknown — not stated by the source	Optical
Movement resolutionKnown for one	Unknown — not stated by the source	1600 DPI
System requirementsidentical
Mac operating systems supportedKnown for one	Unknown — not stated by the source	No
Other features1 differ
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows Vista, XP MCE, XP, 2000
InternalKnown for one	Unknown — not stated by the source	No
Keyboard function keysDiffers	Yes	19
I/O portsKnown for one	2x USB	Unknown — not stated by the source
Weight & dimensionsidentical
Keyboard dimensions (WxDxH)Known for one	315 x 220 x 22 mm	Unknown — not stated by the source
Keyboard weightKnown for one	530 g	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.