Projection, in people's impression, has always been a synonym for being tall. It seems that it does not match with ordinary families. Everyone likes to watch large screens. However, due to the cumbersome wiring, external equipment, the price of projection itself and other factors, projection is not the first choice. Technology in
![[Jimi Aurora 300 inch screen less TV experience] Harman Carton's attached vinyl phonograph brings audio-visual feast](http://static.leiphone.com/uploads/new/article/pic/201601/569b913eb869e.jpg)
