Tiny M2 radio is the size of a plastic cigarette lighter

It’s the size of a Bic lighter.

At what point do these radios become too small?  We think we have found it in this latest tiny radio.

Like many in the category, this radio goes by a handful of different names, depending on the source. The first one I noticed was the AHUAGO 470 on 409shop, but a few others have popped up on Ebay. This is the NKTECH M1. more_link_text