Check the listing for details. AlphaTheta DDJ-FLX2 DJ Controller for rekordbox, Serato DJ Lite, and djay. Color: Black, Condition: Used. Listed at 172.40 USD. This DJ controller is designed for quick, hassle-free setup, letting you connect to your phone, tablet, or computer and start mixing right away without complicated configuration. Its compact, lightweight build makes it easy to carry and use anywhere, whether at home or on the go. You can mix tracks directly from streaming services through supported apps, eliminating the need for a personal music library. Built-in smart mixing tools like Smart Fader and Smart CFX simplify transitions and effects, while dedicated speaker and headphone outputs allow for clear playback and precise monitoring during practice or performance. I know the two knobs to the bottom right seem crooked, they are but barely enough to disrupt playing.