The following recommends several gadgets found this week. We call them gadgets because they need not too much introduction, and you can understand them at a glance. But don't underestimate them because of their small size. Sometimes, they are quite useful, and most of them are interesting!
We won't write a separate blog post for these gadgets. In the future, we will regularly recommend them to you in the form of "Recommendation of the Week". Please keep an eye on it!