Metapen G1 Air USI 2.0 Stylus Pen, 4096 Pressure Levels

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Product guide

Metapen G1 Air USI 2.0 Stylus Pen, 4096 Pressure Levels

The metapen G1 Air is a USI 2.0 stylus for compatible tablets and Chromebooks, with 4096 pressure levels and a replaceable AAAA battery. It needs no Bluetooth pairing, but device compatibility is the key buying check: the listing names supported models and explicitly excludes some Chromebooks.

At a glance

Automatic screen recognition without Bluetooth pairing, according to the listing.
Palm rejection is claimed to let you rest your hand on the screen while writing.
The listing claims up to 180 days from one AAAA battery based on 2 hours of daily use.

Price

£17.98Save 28%

Reference price: ~~£24.99~~

Price checked: 13 Nov 2026

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Often bought together

Metapen Stylus Pen M1 for Microsoft Surface, Palm Rejection, 300H Battery | Faster Charge, Surface Pen for Surface Pro X/9/8/

£28.49

Metapen Stylus Pen M2 for Surface, 4096 Pressure Level, Tail Eraser, Tilt | Fast Charging for 100h Work, Microsoft Surface Pe

£33.99

Pros and cons

Pros

No Bluetooth setup is required for USI-compatible devices.
Pressure sensitivity and palm rejection are useful for handwritten notes and drawing.

Technical specifications

12 specifications

Identity
Brand	metapen
Model	MP-USI-G1A

Writing and compatibility
Protocol	USI 2.0
Pressure sensitivity	4096 Levels
Minimum required operating system version	ChromeOS 137
Listed compatible Amazon tablet model	Amazon Fire Max 11 13th Generation

Power
Battery listed in product details	1 AAA batteries required. (included)
Battery life listed	180 Days
Charging time listed	2 Hours
Battery description	Alkaline

Dimensions and installation
Weight listed	0.04 Kilograms

Materials and protection
Material listed	Plastic

What to know before buying

Listing details to confirm

Battery details conflict: product specifications say one included AAA battery and 180 days on standby, while feature text says one AAAA battery for up to 180 days at 2 hours of daily use. Charging time is also listed despite the replaceable-battery claims. Compatibility is inconsistent: the list names some ASUS Chromebook models, while preparation text excludes ASUS Chromebook Flip C434, C433T and C214M. Confirm the exact device model, USI support and ChromeOS requirement before purchase.

Who is it for?

A good fit for

Owners of a specifically compatible USI tablet or Chromebook who want a pressure-sensitive pen for notes or drawing.
Buyers who prefer automatic recognition over Bluetooth pairing.

Less suited to

Anyone whose device is not confirmed as USI-compatible, or who needs a stylus for a model the listing excludes.
Buyers who need unambiguous battery type and operating-life specifications before purchase.

Metapen G1 Air USI 2.0 Stylus Pen, 4096 Pressure Levels · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.9 / 5 · 238 ratings

5 stars47%47%
4 stars26%26%
3 stars10%10%
2 stars5%5%
1 star12%12%

Customer feedback highlights ease of use, a familiar pen-like grip, and positive impressions of quality and value. Compatibility experiences are mixed, including reports of Chromebook incompatibility, and battery life is also a concern. Those points matter here because the pen depends on device-specific USI compatibility and the listing itself gives conflicting battery information. The aggregate rating is mixed overall, so the positive themes should not be taken as a guarantee for a particular setup.

Positive themes

Customers describe it as easy to use and comfortable to hold like a normal pen.
Feedback mentions product quality and value positively.

Negative themes

Some customers report compatibility problems, including with Chromebooks.
Battery life is a concern in customer feedback.

Mixed feedback

Compatibility experiences vary, making confirmation of the exact device especially important.

Frequently asked questions

Will the G1 Air work with any Chromebook?

No universal Chromebook compatibility is established. The listing names particular models and says to check compatibility. Confirm your exact device model and its USI support.

Does it need Bluetooth pairing?

The listing says no Bluetooth connection is required and that the pen is recognised when it touches a compatible screen.

What battery does it use?

The information conflicts. Product details name an included AAA battery, while feature text specifies an AAAA battery. Check the selected listing or packaging for the correct type.

How long does the battery last?

The title and details state 180 days, but the listing differs on whether this is standby life or use based on 2 hours daily. Treat that duration as a claim with unclear conditions.