Interesting:
Instead of a traditional top-front speaker, the HUAWEI P30 Pro uses HUAWEI Acoustic Display Technology to provide a larger display and increased hearing area. The electromagnetic sound levitation will project sound from the vibrations in the display to your ear.
https://www.amazon.in/Huawei-P30-Aurora-256GB-Storage/dp/B07PMR3T8G?ref_=ast_sto_dp
Huawei is making some real innovations in smartphones.