Joying Technology Co., Ltd

hello !!
i see at the early of this video that joying unit have a special back plate. what is this ? for what ? is it possible to do the same when i'll buy my unit ?

https://www.youtube.com/watch?v=A3-5eQrzlwo

many thanks

(07-19-2019, 06:28 PM)thierry34 Wrote: [ -> ]hello !!
i see at the early of this video that joying unit have a special back plate. what is this ? for what ? is it possible to do the same when i'll buy my unit ?

https://www.youtube.com/watch?v=A3-5eQrzlwo

many thanks

The video was released in 2017.
The head unit design show on the video we have stopped.

Thanks