Roland SonicCell with USB audio input and MIDI functionality. - Brand: Roland - Model Name: SonicCell - Features: USB memory access, MIDI messages, USB audio input - Included items: Power adapter, manual I confirmed that it works and the device is recognized when connected to a PC and powered on. The dial moves in both directions, so please refer to the included manual for instructions on how to operate this product. This is a used item, so please consider purchasing it with the understanding that it shows signs of use. Thank you for viewing.