The Roland DJ-202 is a compact DJ controller compatible with Serato DJ Lite, featuring a sampler and sequencer functions. - Brand: Roland - Model: DJ-202 - Compatibility: Serato DJ Lite - Features: Sampler, Sequencer - Number of Channels: 2 - Controls: Filter, Volume, Effects - Connection Type: USB - Design: Black, Compact Thank you for viewing. This listing is for the main unit only. Since I cannot confirm its operation, it is being sold as a junk item.