What do I need other than the DDJ-SZ to hold DJ performances? [VirtualDJ]

To use DDJ-SZ as a controller or as a DVS system (to play scratch using Control CD or Control Vinyl), the following equipment items are required in addition to DDJ-SZ.

　When using DDJ-SZ as a controller

　　-Computer on which VirtualDJ 8 is installed

　　-Powered speakers

　　-Headphones

　When using DDJ-SZ as a DVS system

　　-Computer on which VirtualDJ 8 is installed

　　-Powered speakers

　　-Headphones

　　-Control CD or Control Vinyl

　　-Player for playing Control CD/Vinyl