You can use the Pioneer DJ XDJ-RR as an advanced DJ. You only need a USB flash drive with Rekordbox music and you can start mixing. If you prefer to connect a laptop, you can do this via the included USB cable. The controller has a screen to read informaton, That way, you can focus on playing music. Want to hear what you're mixing right away? Choose a bundle with headphones or speakers. If your performing live for an audience, you can choose the bundle with both. With the headphones, you can prepare your mixes and the audience hears the music through the speakers.