Product comparison · 2 stylus pens

Lenovo GX81J61977 stylus pen vs Lenovo USI Pen 2

Key differences

Device compatibility: Tablet on the Lenovo GX81J61977 stylus pen, Laptop on the Lenovo USI Pen 2.

Differences highlightedShow differences only

Comparison of GX81J61977, USI Pen 2
24 specifications	A Lenovo GX81J61977 stylus pen Model GX81J61977 View product	B Lenovo USI Pen 2 View product
Features2 differ
Device compatibilityDiffers	Tablet	Laptop
CompatibilityKnown for one	Unknown — not stated by the source	Lenovo 300e Yoga Chromebook Gen 4 Lenovo 500e Yoga Chromebook Gen 4 Lenovo Chrome 2in1 14IRU10 Lenovo Chromebook Duet 11M889 Lenovo Chromebook Duet EDU G2
Tip colourKnown for one	Unknown — not stated by the source	Black
Magnetic charging connectorKnown for one	Unknown — not stated by the source	Yes
Supported protocolsKnown for one	Unknown — not stated by the source	USI 2.0
CertificationDiffers	FCC（EMC） IC（EMC） CE（EMC） CB UKCA SABS CoC VCCI（EMC） KC（EMC)	FCC（EMC） IC（EMC） CE（EMC） CB UKCA SABS CoC VCCI（EMC） KC（EMC）
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	1
Rechargeable batteryKnown for one	Unknown — not stated by the source	Yes
Battery typeKnown for one	AAAA	Unknown — not stated by the source
Battery lifeKnown for one	12 month(s)	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	137 mm	Unknown — not stated by the source
DepthKnown for one	9.5 mm	Unknown — not stated by the source
HeightKnown for one	9.5 mm	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	Box

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.