Chuwi has introduced the HeroBook Air, a compact laptop that is also just US$249. Unfortunately, US$249 does not buy you much, not even a 1080p display. The Celeron N4020-powered laptop will go on sale later this month.
https://www.notebookcheck.net/Chuwi-HeroBook-Air-A-US-249-laptop-with-a-768p-display-and-an-Intel-Celeron-N4020-processor.559163.0.html