Dongles (a.k.a. adapters) have been with us since the inception of USB.  They are pretty handy in expanding our PC functionality and can be shared between users. You may have a few of those lying around on your desk, but you may not have seen them all. Below is a list of rare USB dongles yet quite handy for some use-cases. Contents Plugable USB-C Power Meter Creative BT-W4 Bluetooth Dongle Luna Display Wireless Video Adapter Vaydeer Mouse Jiggler YubiKey U2F Security Token PQI My LocKey Fingerprint Reader Plugable USB-C Power Meter A compact multimeter monitors USB-C charging up to 240W With the advent of USB Power Delivery 3.1, even power-hungry gaming laptops will soon be powered entirely over USB-C 2.1 cables. The new 140W, 180W, and 240W power levels introduced by the new PD protocol’s 28V, 36V, and 48V voltage support respectively will demand even more powerful, eh, power meters to monitor USB-C charging performance.…