During the Donald Trump, Kim Jong-un summit in Singapore, reporters there got a welcome bag with this USB fan inside.
Now, little survey security 101, you should never put an unknown USB drive into your device Russian hackers in the past have used them to trick state officials, to download malware on their computers.
And they're often a common tool for hackers.
So when journalists started talking about how they had gotten these USB fans, security experts gave them the same warning.
We got our hands on a USB fan, and we sent it to the security company TrustedSec to break it apart and find out what's on it.
Turns out, this one is clean.
They plugged it into an iOS device and saw nothing changed.
Well, except for the fan turning on and blowing wind.
Then, they got down into the nitty-gritty and actually tore it apart.
They saw nothing on the chip that indicated that this fan could transfer data, which means that you're likely safe.
The while the one that we got was fine, that's not to say every single one is.
The best practice still remains.
Be careful what you plug in.