DJ Tech U2 Station MKII Twin MP3 Player/USB Dock and 2-channel DJ Mixer with 3 Band EQ and 4 Effects/Scratch Dual deck USB with HD sharing - play from the same USB to both players. No need to have 2 USB flash drives 5 effects with real time control: filter, flanger, echo, brake, scratch All in one solution : 2x player + 1x mixer Song database management to find songs quickly BPM counter for easy mix