From YubiKeys to cordless vacuums, we tested 5 of the most useful USB gadgets on Amazon under $40. Upgrade your security, ...

We may receive a commission on purchases made from links. USB gadgets are ubiquitous. Whether it's a vacuum cleaner, power bank, nightstand, or you name it, there's a chance it uses a USB port.

If you’re looking for a device that will cool you while using your laptop, perhaps this USB fan might be just what you need. Unlike regular USB fans, this one has a special LEDs so you can program a ...