There are those interfaces of the jukebox

There are AVIN and USB ports. Labeled AVIN, you can connect the AV output of the jukebox machine to this set of jacks and plug it in. Opera machine line directly into the USB port can be. Opera machine is specially designed for the elderly to listen to opera or square dance and made, this machine can fully recognize the SD and TF card, so that the elderly can be their favorite songs or opera.