It may be suitable for restaurants etc., but it has several major disadvantages for theaters and DJs. There is a 2 second delay when moving to the next track. The songs are ordered by the date of creation - practically it is not possible to enter the order of the songs (they would all have to be created in the given order; at the same time, changing the file name does not matter, but it depends on the actual time of creation). In the end, I exchanged the product for a Numark CDN77USB, which costs twice as much, but the functionality is incomparably better.