Discover the first app fully optimized for scratching. Connected to Mixfader - the world's first wireless portable fader - Mixfader dj J lets you scratch on your smartphone and tablet with the quality and reactivity of a professional DJ setup. Together, Mixfader dj and Mixfader provide you with the complete functionality of physical turntables. Produce high-quality scratching on the go, sharpen your technique and learn new ones with scratching tutorials made by Pro DJs. ** Requires a Mixfader *