Product comparison · 2 keyboards

Vultech KM-821 keyboard Mouse included Office USB QWERTY Italian Black vs Vultech KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black

Key differences

Connectivity technology
- KM-821 keyboard Mouse included Office USB QWERTY Italian Black:Wired
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:Wireless
Device interface
- KM-821 keyboard Mouse included Office USB QWERTY Italian Black:USB
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:RF Wireless
Pointing device
- KM-821 keyboard Mouse included Office USB QWERTY Italian Black:No
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:Mouse buttons
Power source type
- KM-821 keyboard Mouse included Office USB QWERTY Italian Black:USB
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:Battery
Movement resolution
- KM-821 keyboard Mouse included Office USB QWERTY Italian Black:1200 DPI
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:1600 DPI
Buttons quantity
- KM-821 keyboard Mouse included Office USB QWERTY Italian Black:4
- KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black:3

Differences highlightedShow differences only

Comparison of KM-821, KM-821W
46 specifications	A Vultech KM-821 keyboard Mouse included Office USB QWERTY Italian Black Model KM-821 View product	B Vultech KM-821W keyboard Mouse included Office RF Wireless QWERTY Italian Black Model KM-821W View product
Keyboard3 differ
Connectivity technologyDiffers	Wired	Wireless
Device interfaceDiffers	USB	RF Wireless
Pointing deviceDiffers	No	Mouse buttons
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Featuresidentical
Wireless rangeKnown for one	Unknown — not stated by the source	10 m
Cable lengthKnown for one	1.6 m	Unknown — not stated by the source
Power1 differ
Power source typeDiffers	USB	Battery
Keyboard battery typeKnown for one	Unknown — not stated by the source	AA
Number of batteries (keyboard)Known for one	Unknown — not stated by the source	1
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Alkaline
Mouse2 differ
Movement resolutionDiffers	1200 DPI	1600 DPI
Buttons quantityDiffers	4	3
Mouse battery typeKnown for one	Unknown — not stated by the source	AA
Mouse battery technologyKnown for one	Unknown — not stated by the source	Alkaline
Number of batteries (mouse)Known for one	Unknown — not stated by the source	1
Mouse cable lengthKnown for one	1.2 m	Unknown — not stated by the source
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
Batteries includedKnown 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.