I did know of it, it's the new electric derivation of the petrol Velosolex which was very popular in France from 1946 onwards and many sold elsewhere including Britain. It was finally discontinued around 1983 I think after Yamaha bought the design. The Velosolex, rather than being the usual add-on petrol motor for normal bikes was designed from the bottom up as a whole machine.
The French are obviously hoping to repeat the success of the old petrol version which sold 8 million around the world, but I very much doubt that will happen. We live in a different world now where people can afford the cars they couldn't in those earlier decades. Here's the old front petrol motor Velosolex: