Won’t play video embedded within new YSB wireless device

Received purchased Sandisk wireless USB 2.0 today, from eBay, 8 Feb 2020.

Successful download of Sandisk app on iPad pro. Latest updated version 14.4.
Successful connection, even password protected successful completed.
Successful play of pre-installed video mp4 “travel stories” on android phone.
Unsuccessful on iPad pro.

Successful upload of photos and visible on iPad pro along with pre-installed photos.

Please advise why videos will not play on my iPad pro. The reason I bought this was to play files on my iPad pro.