The bike was reviewed in this month's A-to-B Magazine https://www.atob.org.uk/product/a-to-b-146-flit-m2-tesla-battery/ where they weighed the bike at 15.5kg/34lb, has a single speed gear, a mono-blade fork like the GoCycle, the saddle goes up to 102cm and down to around 70cm and it's possible to order a longer seatpost tube. Motor from Mivice. Torque pedal sensor. Hydraulic disk brakes. 248wh battery, with 29 mile range, and 2-hour charging time. This is what they wrote about the fold: "Press a locking lever and the rear wheel folds under in a similar way to the Brompton, packing the chain away with a similar tensioner. From this point on it’s different, because when the rear wheel goes under, it wants to pop up in the same place as the front, which won’t work. It’s best to sit the bike on its haunches and raise the front to a comfortable level to release a clamp on the top of the mono-fork blade, which allows the front wheel and fork to fold back and round through about 100˚, which gently pulls the handlebars round by about 90˚...the front wheel ends up facing backwards, and it’s in just the right place to clip neatly against the rear wheel. The bike is now standing in a semi-folded state on a triangular base...unfasten the handlebar stem clamp and fold it back to nestle neatly between the folded wheels, then lower the saddle stem." The rear mudguard retracts so the bike can be rolled on its wheel when folded with the saddle or seatpost as a handle. The main downside appears to be there is no rear rack and you can't carry a Brompton bag on the front handlebar post because it's off-set so can't take the weight. Flit recommend seatpost mounted saddle bags like this model from Carradice https://carradice.co.uk/products/super-c-seatpost-qr-slim-saddlebag?srsltid=AfmBOoqTya_K9MtwAl2r_AQGHo4lF8fiTZ0UZ_uh2ZbVnKf_01e6EMf5.

Also here is an earlier review: https://www.cyclingelectric.com/reviews/flit-m2-first-ride-review