ION Audio IDJ2GO DJ System for iPad, iPhone and iPod Touch Everything you need to create the perfect mix with your music Works seamlessly with Algoriddims djay app for iPad, iPhone and iPod touch Authentic DJ controls including two turntables, audio effects and a crossfader Browse knob for rapid search and track selection Portable, compact design for easy transportation Connects directly to iPad, iPhone or iPod touch  no batteries required! Also works with ION's iDJ2GO app, a free download from the App Store