A small, affordable convertible that does not have a fan sounds like a good second laptop or a recommendable notebook for schoolchildren, but the impression is deceptive: To push the price down, the manufacturer makes too many compromises with the Lenovo IdeaPad Flex 3 11IGL05.
https://www.notebookcheck.net/Despite-the-low-price-the-Lenovo-IdeaPad-Flex-3-is-not-a-stunner.479000.0.html
In Indonesia, this Ideapad Flex 3 11IGL05 sell with 256 GB SSD PCIe NVME, but 4 GB RAM. For about US$ 300.