Every so often you come across a device that makes you giggle, because it’s that charming. In this case it’s the IBM PC110 from 1995. Admittedly, you need a PCMCIA modem or a landline to turn this into a working telephone, but it compares favorably in the pocketability category (if this is a word) to some of the more modern phones.
Bonus: A third party module by Canon turned this even into a selfie machine, just like the modern state of the art cousins.
Here as presented by LGR in a recent video:
and in a more regular review format from last month: