The Pioneer CDJ-350 is a high-performance DJ device equipped with track search and BPM lock functions. - Brand: Pioneer - Model: CDJ-350 - Features: Track search function, BPM lock, loop function - Controls: Tempo slider, play/pause button - Connection terminals: USB, analog output - Design: Black, simple layout Thank you for viewing. This product is a set of two. The jog dial catches when pressed and takes time to return. Otherwise, there are no problems with CD reading, and there are no operational issues.