Overall it's a nice, warm sounding guitar that looks great. It's very well suited to a bit of Wes Montgommery. I bought it because in theory you can take it anywhere. I also like 45mm nut widths because you don't have to be so precise about finger positioning to avoid muting a neighbouring string. The neck profile also feels fairly chunky - more so than the 45mm width neck on my Cort GA4 - but I've also come to like the thicker necks, they suit my left hand position better.
Strings are coated and feel very nice, but may slightly mute the tone. I'll try uncoated strings next, which might ring out a little more.
The bag is pretty big, just on the edge of what UK airlines will classify as a large cabin bag, with space for laptop and a few other bits. I've also just realised that with the neck off I can probably fill the guitar body with socks, underwear and t-shirts to pack more in, because a guitar body is a lot of empty space! There's also room on the headstock for a clip on tuner (not always possible with travel guitars) .
Couple of minor quality issues are that the lowest bridge pin doesn't sit as well as the others and I've had to give it few goes to keep it in place - that may require a trip to a technician in future. Also the factory has fitted the strings with 2-3 full windings per string, which you don't need with locking tuners.
The main reason I'm not giving it 5 stars is I'm a little disappointed in how bulky the body is - more than I was expecting. I was hoping to replace my Harley Benton GS travel mini with this, to get wider nut width and more spacing between the frets, but the OF312C's wedge design makes it pretty bulky to play. If the OF312C body was say 20mm thinner all the way along I could imagine making it my main guitar.
Ideally I'd have a Little Jane instead, but that's nearly double the price. And tbh I'm not sure I'd want to travel with a guitar that expensive.