Now you can be the star of the party with your own DJ Music Mixer. With the new Circuit Blox DJ set you and connect your Bluetooth device to play music and mix in different sound. Don't have a Bluetooth device handy, no problem, the DJ set come preloaded with 3 original tracks by SOLI(USA). The box transforms into your mixing table for a cool DJ look. Hi-Fi Speaker included. Requires 3 "AA" batteries.