How long does the battery last on a full charge?

Battery life varies by speed. On low, it can run for several hours; on high, it drains faster, typically lasting a couple of hours.

Is it powerful enough to cool a room?

It is designed for personal cooling, not room cooling. It works best aimed at one person within a few feet.

Yes, it can run while plugged into a USB power source, so you can use it continuously.

It offers multiple speed settings, typically three, so you can adjust airflow and battery use.

It is generally quiet, but the highest setting produces more noise than lower speeds. Most users find it acceptable.

The fan comes with a USB charging cable and a user manual. A power adapter is not included.

At Shoplarke, for $16.95, as of our latest check.

Rated 4.8 out of 5 from 495 ratings.

$16.95at ShoplarkeChecked Nov 10

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