It's suit for "R4", the R series by me. Without the frame show. 这个是不使用边框的版本,还有对应使用边框的版本。

It's suit for "R4", the R series by me. With the frame show. 这个是使用边框的版本,还有对应不使用边框的版本。

The one of the "R" series. ...