The Poco C3 and the Realme C11 are amongst such devices.
The only other thing you will notice on the back panel would be the Vivo branding.
It may arrive in a single, dual- or multi-light setup and in different arrangements.
With each following version the rate of data transfer is increased.
All these features are organized in some attractive colors like Aurora Green, Black Emerald, Aurora Blue, and Olive Black.
This limitation would be solved in the next versions.