Traditional Culture Encyclopedia - Photography and portraiture - What kind of studio do smartphones usually use?

What kind of studio do smartphones usually use?

The first is clean, free of dust and fingerprints.

Secondly, the background is preferably monochrome velvet, and dark color is preferred.

3. The background can also be clean glass, with black cardboard under the glass.

4. the shed light should be controlled, and there should be no big reflection on the mobile phone.